import { _ as _sfc_main$4, e as _sfc_main$5, a as __unplugin_components_3, b as _sfc_main$7, d as _sfc_main$9 } from './QuerySelector.vue_vue_type_script_setup_true_lang-B10j3kdU.js';
import { A as h, c as createElementBlock, o as openBlock, R as renderSlot, n as normalizeStyle, w as watch, d as defineComponent, D as toRefs, T as useTemplateRef, f as onMounted, G as watchEffect, I as nextTick, e as computed, x as createBlock, h as unref, q as withCtx, k as withDirectives, i as createVNode, U as vShow, a as createBaseVNode, g as createCommentVNode, t as toDisplayString, z as createTextVNode, F as Fragment, r as renderList, p as useRoute, u as useRouter, V as tryOnScopeDispose, W as customRef, X as toValue, m as usePayloadStore, b as ref, L as withAsyncContext, O as onModuleUpdated, P as isStaticMode, M as rpc, s as resolveComponent, j as normalizeClass } from './index-_j_6erbz.js';
import { u as useOptionsStore, _ as _sfc_main$a } from './options-CpZAoTMI.js';
import { a as _sfc_main$6, k as kt, _ as _sfc_main$8 } from './ModuleList.vue_vue_type_script_setup_true_lang-BlJQSQyC.js';
import { g as getHot } from './hot-RJqZNNUw.js';
import './_plugin-vue_export-helper-DgDhiqFL.js';

function guessMode(code) {
  if (code.trimStart().startsWith("<"))
    return "htmlmixed";
  if (code.match(/^import\s/))
    return "javascript";
  if (code.match(/^[.#].+\{/))
    return "css";
  return "javascript";
}
function inspectSourcemaps({ code, sourcemaps }) {
  console.info("sourcemaps", JSON.stringify(sourcemaps, null, 2));
  const serialized = serializeForSourcemapsVisualizer(code, sourcemaps);
  window.open(`https://evanw.github.io/source-map-visualization#${serialized}`, "_blank");
}
function safeJsonParse(str) {
  try {
    return JSON.parse(str);
  } catch {
    console.error("Failed to parse JSON", str);
    return null;
  }
}
function serializeForSourcemapsVisualizer(code, map) {
  const encoder = new TextEncoder();
  const codeArray = encoder.encode(code);
  const mapArray = encoder.encode(map);
  const codeLengthArray = encoder.encode(codeArray.length.toString());
  const mapLengthArray = encoder.encode(mapArray.length.toString());
  const combinedArray = new Uint8Array(codeLengthArray.length + 1 + codeArray.length + mapLengthArray.length + 1 + mapArray.length);
  combinedArray.set(codeLengthArray);
  combinedArray.set([0], codeLengthArray.length);
  combinedArray.set(codeArray, codeLengthArray.length + 1);
  combinedArray.set(mapLengthArray, codeLengthArray.length + 1 + codeArray.length);
  combinedArray.set([0], codeLengthArray.length + 1 + codeArray.length + mapLengthArray.length);
  combinedArray.set(mapArray, codeLengthArray.length + 1 + codeArray.length + mapLengthArray.length + 1);
  let binary = "";
  const len = combinedArray.byteLength;
  for (let i = 0; i < len; i++)
    binary += String.fromCharCode(combinedArray[i]);
  return btoa(binary);
}

/* Injected with object hook! */

const M = {
  // eslint-disable-next-line vue/multi-word-component-names
  name: "splitpanes",
  emits: ["ready", "resize", "resized", "pane-click", "pane-maximize", "pane-add", "pane-remove", "splitter-click"],
  props: {
    horizontal: { type: Boolean },
    pushOtherPanes: { type: Boolean, default: true },
    dblClickSplitter: { type: Boolean, default: true },
    rtl: { type: Boolean, default: false },
    // Right to left direction.
    firstSplitter: { type: Boolean }
  },
  provide() {
    return {
      requestUpdate: this.requestUpdate,
      onPaneAdd: this.onPaneAdd,
      onPaneRemove: this.onPaneRemove,
      onPaneClick: this.onPaneClick
    };
  },
  data: () => ({
    container: null,
    ready: false,
    panes: [],
    touch: {
      mouseDown: false,
      dragging: false,
      activeSplitter: null
    },
    splitterTaps: {
      // Used to detect double click on touch devices.
      splitter: null,
      timeoutId: null
    }
  }),
  computed: {
    panesCount() {
      return this.panes.length;
    },
    // Indexed panes by `uid` of Pane components for fast lookup.
    // Every time a pane is destroyed this index is recomputed.
    indexedPanes() {
      return this.panes.reduce((e, i) => (e[i.id] = i) && e, {});
    }
  },
  methods: {
    updatePaneComponents() {
      this.panes.forEach((e) => {
        e.update && e.update({
          // Panes are indexed by Pane component uid, as they might be inserted at different index.
          [this.horizontal ? "height" : "width"]: `${this.indexedPanes[e.id].size}%`
        });
      });
    },
    bindEvents() {
      document.addEventListener("mousemove", this.onMouseMove, { passive: false }), document.addEventListener("mouseup", this.onMouseUp), "ontouchstart" in window && (document.addEventListener("touchmove", this.onMouseMove, { passive: false }), document.addEventListener("touchend", this.onMouseUp));
    },
    unbindEvents() {
      document.removeEventListener("mousemove", this.onMouseMove, { passive: false }), document.removeEventListener("mouseup", this.onMouseUp), "ontouchstart" in window && (document.removeEventListener("touchmove", this.onMouseMove, { passive: false }), document.removeEventListener("touchend", this.onMouseUp));
    },
    onMouseDown(e, i) {
      this.bindEvents(), this.touch.mouseDown = true, this.touch.activeSplitter = i;
    },
    onMouseMove(e) {
      this.touch.mouseDown && (e.preventDefault(), this.touch.dragging = true, this.calculatePanesSize(this.getCurrentMouseDrag(e)), this.$emit("resize", this.panes.map((i) => ({ min: i.min, max: i.max, size: i.size }))));
    },
    onMouseUp() {
      this.touch.dragging && this.$emit("resized", this.panes.map((e) => ({ min: e.min, max: e.max, size: e.size }))), this.touch.mouseDown = false, setTimeout(() => {
        this.touch.dragging = false, this.unbindEvents();
      }, 100);
    },
    // If touch device, detect double tap manually (2 taps separated by less than 500ms).
    onSplitterClick(e, i) {
      "ontouchstart" in window && (e.preventDefault(), this.dblClickSplitter && (this.splitterTaps.splitter === i ? (clearTimeout(this.splitterTaps.timeoutId), this.splitterTaps.timeoutId = null, this.onSplitterDblClick(e, i), this.splitterTaps.splitter = null) : (this.splitterTaps.splitter = i, this.splitterTaps.timeoutId = setTimeout(() => {
        this.splitterTaps.splitter = null;
      }, 500)))), this.touch.dragging || this.$emit("splitter-click", this.panes[i]);
    },
    // On splitter dbl click or dbl tap maximize this pane.
    onSplitterDblClick(e, i) {
      let s = 0;
      this.panes = this.panes.map((n, t) => (n.size = t === i ? n.max : n.min, t !== i && (s += n.min), n)), this.panes[i].size -= s, this.$emit("pane-maximize", this.panes[i]), this.$emit("resized", this.panes.map((n) => ({ min: n.min, max: n.max, size: n.size })));
    },
    onPaneClick(e, i) {
      this.$emit("pane-click", this.indexedPanes[i]);
    },
    // Get the cursor position relative to the splitpane container.
    getCurrentMouseDrag(e) {
      const i = this.container.getBoundingClientRect(), { clientX: s, clientY: n } = "ontouchstart" in window && e.touches ? e.touches[0] : e;
      return {
        x: s - i.left,
        y: n - i.top
      };
    },
    // Returns the drag percentage of the splitter relative to the container (ranging from 0 to 100%).
    getCurrentDragPercentage(e) {
      e = e[this.horizontal ? "y" : "x"];
      const i = this.container[this.horizontal ? "clientHeight" : "clientWidth"];
      return this.rtl && !this.horizontal && (e = i - e), e * 100 / i;
    },
    calculatePanesSize(e) {
      const i = this.touch.activeSplitter;
      let s = {
        prevPanesSize: this.sumPrevPanesSize(i),
        nextPanesSize: this.sumNextPanesSize(i),
        prevReachedMinPanes: 0,
        nextReachedMinPanes: 0
      };
      const n = 0 + (this.pushOtherPanes ? 0 : s.prevPanesSize), t = 100 - (this.pushOtherPanes ? 0 : s.nextPanesSize), a = Math.max(Math.min(this.getCurrentDragPercentage(e), t), n);
      let r = [i, i + 1], o = this.panes[r[0]] || null, h = this.panes[r[1]] || null;
      const l = o.max < 100 && a >= o.max + s.prevPanesSize, u = h.max < 100 && a <= 100 - (h.max + this.sumNextPanesSize(i + 1));
      if (l || u) {
        l ? (o.size = o.max, h.size = Math.max(100 - o.max - s.prevPanesSize - s.nextPanesSize, 0)) : (o.size = Math.max(100 - h.max - s.prevPanesSize - this.sumNextPanesSize(i + 1), 0), h.size = h.max);
        return;
      }
      if (this.pushOtherPanes) {
        const d = this.doPushOtherPanes(s, a);
        if (!d) return;
        (({ sums: s, panesToResize: r } = d)), o = this.panes[r[0]] || null, h = this.panes[r[1]] || null;
      }
      o !== null && (o.size = Math.min(Math.max(a - s.prevPanesSize - s.prevReachedMinPanes, o.min), o.max)), h !== null && (h.size = Math.min(Math.max(100 - a - s.nextPanesSize - s.nextReachedMinPanes, h.min), h.max));
    },
    doPushOtherPanes(e, i) {
      const s = this.touch.activeSplitter, n = [s, s + 1];
      return i < e.prevPanesSize + this.panes[n[0]].min && (n[0] = this.findPrevExpandedPane(s).index, e.prevReachedMinPanes = 0, n[0] < s && this.panes.forEach((t, a) => {
        a > n[0] && a <= s && (t.size = t.min, e.prevReachedMinPanes += t.min);
      }), e.prevPanesSize = this.sumPrevPanesSize(n[0]), n[0] === void 0) ? (e.prevReachedMinPanes = 0, this.panes[0].size = this.panes[0].min, this.panes.forEach((t, a) => {
        a > 0 && a <= s && (t.size = t.min, e.prevReachedMinPanes += t.min);
      }), this.panes[n[1]].size = 100 - e.prevReachedMinPanes - this.panes[0].min - e.prevPanesSize - e.nextPanesSize, null) : i > 100 - e.nextPanesSize - this.panes[n[1]].min && (n[1] = this.findNextExpandedPane(s).index, e.nextReachedMinPanes = 0, n[1] > s + 1 && this.panes.forEach((t, a) => {
        a > s && a < n[1] && (t.size = t.min, e.nextReachedMinPanes += t.min);
      }), e.nextPanesSize = this.sumNextPanesSize(n[1] - 1), n[1] === void 0) ? (e.nextReachedMinPanes = 0, this.panes[this.panesCount - 1].size = this.panes[this.panesCount - 1].min, this.panes.forEach((t, a) => {
        a < this.panesCount - 1 && a >= s + 1 && (t.size = t.min, e.nextReachedMinPanes += t.min);
      }), this.panes[n[0]].size = 100 - e.prevPanesSize - e.nextReachedMinPanes - this.panes[this.panesCount - 1].min - e.nextPanesSize, null) : { sums: e, panesToResize: n };
    },
    sumPrevPanesSize(e) {
      return this.panes.reduce((i, s, n) => i + (n < e ? s.size : 0), 0);
    },
    sumNextPanesSize(e) {
      return this.panes.reduce((i, s, n) => i + (n > e + 1 ? s.size : 0), 0);
    },
    // Return the previous pane from siblings which has a size (width for vert or height for horz) of more than 0.
    findPrevExpandedPane(e) {
      return [...this.panes].reverse().find((s) => s.index < e && s.size > s.min) || {};
    },
    // Return the next pane from siblings which has a size (width for vert or height for horz) of more than 0.
    findNextExpandedPane(e) {
      return this.panes.find((s) => s.index > e + 1 && s.size > s.min) || {};
    },
    checkSplitpanesNodes() {
      Array.from(this.container.children).forEach((i) => {
        const s = i.classList.contains("splitpanes__pane"), n = i.classList.contains("splitpanes__splitter");
        !s && !n && (i.parentNode.removeChild(i), console.warn("Splitpanes: Only <pane> elements are allowed at the root of <splitpanes>. One of your DOM nodes was removed."));
      });
    },
    addSplitter(e, i, s = false) {
      const n = e - 1, t = document.createElement("div");
      t.classList.add("splitpanes__splitter"), s || (t.onmousedown = (a) => this.onMouseDown(a, n), typeof window < "u" && "ontouchstart" in window && (t.ontouchstart = (a) => this.onMouseDown(a, n)), t.onclick = (a) => this.onSplitterClick(a, n + 1)), this.dblClickSplitter && (t.ondblclick = (a) => this.onSplitterDblClick(a, n + 1)), i.parentNode.insertBefore(t, i);
    },
    removeSplitter(e) {
      e.onmousedown = void 0, e.onclick = void 0, e.ondblclick = void 0, e.parentNode.removeChild(e);
    },
    redoSplitters() {
      const e = Array.from(this.container.children);
      e.forEach((s) => {
        s.className.includes("splitpanes__splitter") && this.removeSplitter(s);
      });
      let i = 0;
      e.forEach((s) => {
        s.className.includes("splitpanes__pane") && (!i && this.firstSplitter ? this.addSplitter(i, s, true) : i && this.addSplitter(i, s), i++);
      });
    },
    // Called by Pane component on programmatic resize.
    requestUpdate({ target: e, ...i }) {
      const s = this.indexedPanes[e._.uid];
      Object.entries(i).forEach(([n, t]) => s[n] = t);
    },
    onPaneAdd(e) {
      let i = -1;
      Array.from(e.$el.parentNode.children).some((t) => (t.className.includes("splitpanes__pane") && i++, t === e.$el));
      const s = parseFloat(e.minSize), n = parseFloat(e.maxSize);
      this.panes.splice(i, 0, {
        id: e._.uid,
        index: i,
        min: isNaN(s) ? 0 : s,
        max: isNaN(n) ? 100 : n,
        size: e.size === null ? null : parseFloat(e.size),
        givenSize: e.size,
        update: e.update
      }), this.panes.forEach((t, a) => t.index = a), this.ready && this.$nextTick(() => {
        this.redoSplitters(), this.resetPaneSizes({ addedPane: this.panes[i] }), this.$emit("pane-add", { index: i, panes: this.panes.map((t) => ({ min: t.min, max: t.max, size: t.size })) });
      });
    },
    onPaneRemove(e) {
      const i = this.panes.findIndex((n) => n.id === e._.uid), s = this.panes.splice(i, 1)[0];
      this.panes.forEach((n, t) => n.index = t), this.$nextTick(() => {
        this.redoSplitters(), this.resetPaneSizes({ removedPane: { ...s, index: i } }), this.$emit("pane-remove", { removed: s, panes: this.panes.map((n) => ({ min: n.min, max: n.max, size: n.size })) });
      });
    },
    resetPaneSizes(e = {}) {
      !e.addedPane && !e.removedPane ? this.initialPanesSizing() : this.panes.some((i) => i.givenSize !== null || i.min || i.max < 100) ? this.equalizeAfterAddOrRemove(e) : this.equalize(), this.ready && this.$emit("resized", this.panes.map((i) => ({ min: i.min, max: i.max, size: i.size })));
    },
    equalize() {
      const e = 100 / this.panesCount;
      let i = 0;
      const s = [], n = [];
      this.panes.forEach((t) => {
        t.size = Math.max(Math.min(e, t.max), t.min), i -= t.size, t.size >= t.max && s.push(t.id), t.size <= t.min && n.push(t.id);
      }), i > 0.1 && this.readjustSizes(i, s, n);
    },
    initialPanesSizing() {
      let e = 100;
      const i = [], s = [];
      let n = 0;
      this.panes.forEach((a) => {
        e -= a.size, a.size !== null && n++, a.size >= a.max && i.push(a.id), a.size <= a.min && s.push(a.id);
      });
      let t = 100;
      e > 0.1 && (this.panes.forEach((a) => {
        a.size === null && (a.size = Math.max(Math.min(e / (this.panesCount - n), a.max), a.min)), t -= a.size;
      }), t > 0.1 && this.readjustSizes(e, i, s));
    },
    equalizeAfterAddOrRemove({ addedPane: e, removedPane: i } = {}) {
      let s = 100 / this.panesCount, n = 0;
      const t = [], a = [];
      e && e.givenSize !== null && (s = (100 - e.givenSize) / (this.panesCount - 1)), this.panes.forEach((r) => {
        n -= r.size, r.size >= r.max && t.push(r.id), r.size <= r.min && a.push(r.id);
      }), !(Math.abs(n) < 0.1) && (this.panes.forEach((r) => {
        e && e.givenSize !== null && e.id === r.id || (r.size = Math.max(Math.min(s, r.max), r.min)), n -= r.size, r.size >= r.max && t.push(r.id), r.size <= r.min && a.push(r.id);
      }), n > 0.1 && this.readjustSizes(n, t, a));
    },
    /* recalculatePaneSizes ({ addedPane, removedPane } = {}) {
          let leftToAllocate = 100
          let equalSpaceToAllocate = leftToAllocate / this.panesCount
          let ungrowable = []
          let unshrinkable = []
    
          // When adding a pane with no size, apply min-size if defined otherwise divide another pane
          // (next or prev) in 2.
          // if (addedPane && addedPane.size === null) {
          //   if (addedPane.min) addedPane.size = addedPane.min
          //   else {
          //     const paneToDivide = this.panes[addedPane.index + 1] || this.panes[addedPane.index - 1]
          //     if (paneToDivide) {
          //       // @todo: Dividing that pane in 2 could be incorrect if becoming lower than its min size.
          //       addedPane.size = paneToDivide.size / 2
          //       paneToDivide.size /= 2
          //     }
          //   }
          // }
    
          this.panes.forEach((pane, i) => {
            // Added pane - reduce the size of the next pane.
            if (addedPane && addedPane.index + 1 === i) {
              pane.size = Math.max(Math.min(100 - this.sumPrevPanesSize(i) - this.sumNextPanesSize(i + 1), pane.max), pane.min)
              // @todo: if could not allocate correctly, try to allocate in the next pane straight away,
              // then still do the second loop if not correct.
            }
    
            // Removed pane - increase the size of the next pane.
            else if (removedPane && removedPane.index === i) {
              pane.size = Math.max(Math.min(100 - this.sumPrevPanesSize(i) - this.sumNextPanesSize(i + 1), pane.max), pane.min)
              // @todo: if could not allocate correctly, try to allocate in the next pane straight away,
              // then still do the second loop if not correct.
            }
    
            // Initial load and on demand recalculation.
            else if (!addedPane && !removedPane && pane.size === null) {
              pane.size = Math.max(Math.min(equalSpaceToAllocate, pane.max), pane.min)
            }
    
            leftToAllocate -= pane.size
    
            if (pane.size >= pane.max) ungrowable.push(pane.id)
            if (pane.size <= pane.min) unshrinkable.push(pane.id)
          })
    
          // Do one more loop to adjust sizes if still wrong.
          // > 0.1: Prevent maths rounding issues due to bytes.
          if (Math.abs(leftToAllocate) > 0.1) this.readjustSizes(leftToAllocate, ungrowable, unshrinkable)
        }, */
    // Second loop to adjust sizes now that we know more about the panes constraints.
    readjustSizes(e, i, s) {
      let n;
      e > 0 ? n = e / (this.panesCount - i.length) : n = e / (this.panesCount - s.length), this.panes.forEach((t, a) => {
        if (e > 0 && !i.includes(t.id)) {
          const r = Math.max(Math.min(t.size + n, t.max), t.min), o = r - t.size;
          e -= o, t.size = r;
        } else if (!s.includes(t.id)) {
          const r = Math.max(Math.min(t.size + n, t.max), t.min), o = r - t.size;
          e -= o, t.size = r;
        }
        t.update({
          [this.horizontal ? "height" : "width"]: `${this.indexedPanes[t.id].size}%`
        });
      }), Math.abs(e) > 0.1 && this.$nextTick(() => {
        this.ready && console.warn("Splitpanes: Could not resize panes correctly due to their constraints.");
      });
    }
    /* distributeEmptySpace () {
          let growablePanes = []
          let collapsedPanesCount = 0
          let growableAmount = 0 // Total of how much the current panes can grow to fill blank space.
          let spaceToDistribute = 100 - this.panes.reduce((sum, pane) => (sum += pane.size) && sum, 0)
          // Do a first loop to determine if we can distribute the new blank space between all the
          // expandedPanes, without expanding the collapsed ones.
          this.panes.forEach(pane => {
            if (pane.size < pane.max) growablePanes.push(pane)
    
            if (!pane.size) collapsedPanesCount++
            else growableAmount += pane.max - pane.size
          })
    
          // If the blank space to distribute is too great for the expanded panes, also expand collapsed ones.
          let expandCollapsedPanes = growableAmount < spaceToDistribute
    
          // New space to distribute equally.
          let growablePanesCount = (growablePanes.length - (expandCollapsedPanes ? 0 : collapsedPanesCount))
          let equalSpaceToDistribute = spaceToDistribute / growablePanesCount
          // if (growablePanesCount === 1) equalSpace = 100 / this.panesCount
          let spaceLeftToDistribute = spaceToDistribute
    
          // Now add the equalSpaceToDistribute to each pane size accordingly.
          growablePanes.forEach(pane => {
            if (pane.size < pane.max && (pane.size || (!pane.size && expandCollapsedPanes))) {
              const newSize = Math.min(pane.size + equalSpaceToDistribute, pane.max)
              let allocatedSpace = (newSize - pane.size)
              spaceLeftToDistribute -= allocatedSpace
              pane.size = newSize
              // If the equalSpaceToDistribute is not fully added to the current pane, distribute the remainder
              // to the next panes.
              // Also fix decimal issue due to bites - E.g. calculating 8.33 and getting 8.3299999999999
              if (equalSpaceToDistribute - allocatedSpace > 0.1) equalSpaceToDistribute = spaceLeftToDistribute / (--growablePanesCount)
            }
          })
    
          /* Disabled otherwise will show up on hot reload.
          // if there is still space to allocate show warning message.
          if (this.panesCount && ~~spaceLeftToDistribute) {
            // eslint-disable-next-line no-console
            console.warn('Splitpanes: Could not distribute all the empty space between panes due to their constraints.')
          } *\/
    
          this.$emit('resized', this.panes.map(pane => ({ min: pane.min, max: pane.max, size: pane.size })))
        } */
  },
  watch: {
    panes: {
      // Every time a pane is updated, update the panes accordingly.
      deep: true,
      immediate: false,
      handler() {
        this.updatePaneComponents();
      }
    },
    horizontal() {
      this.updatePaneComponents();
    },
    firstSplitter() {
      this.redoSplitters();
    },
    dblClickSplitter(e) {
      [...this.container.querySelectorAll(".splitpanes__splitter")].forEach((s, n) => {
        s.ondblclick = e ? (t) => this.onSplitterDblClick(t, n) : void 0;
      });
    }
  },
  beforeUnmount() {
    this.ready = false;
  },
  mounted() {
    this.container = this.$refs.container, this.checkSplitpanesNodes(), this.redoSplitters(), this.resetPaneSizes(), this.$emit("ready"), this.ready = true;
  },
  render() {
    return h(
      "div",
      {
        ref: "container",
        class: [
          "splitpanes",
          `splitpanes--${this.horizontal ? "horizontal" : "vertical"}`,
          {
            "splitpanes--dragging": this.touch.dragging
          }
        ]
      },
      this.$slots.default()
    );
  }
}, S = (e, i) => {
  const s = e.__vccOpts || e;
  for (const [n, t] of i)
    s[n] = t;
  return s;
}, x = {
  // eslint-disable-next-line vue/multi-word-component-names
  name: "pane",
  inject: ["requestUpdate", "onPaneAdd", "onPaneRemove", "onPaneClick"],
  props: {
    size: { type: [Number, String], default: null },
    minSize: { type: [Number, String], default: 0 },
    maxSize: { type: [Number, String], default: 100 }
  },
  data: () => ({
    style: {}
  }),
  mounted() {
    this.onPaneAdd(this);
  },
  beforeUnmount() {
    this.onPaneRemove(this);
  },
  methods: {
    // Called from the splitpanes component.
    update(e) {
      this.style = e;
    }
  },
  computed: {
    sizeNumber() {
      return this.size || this.size === 0 ? parseFloat(this.size) : null;
    },
    minSizeNumber() {
      return parseFloat(this.minSize);
    },
    maxSizeNumber() {
      return parseFloat(this.maxSize);
    }
  },
  watch: {
    sizeNumber(e) {
      this.requestUpdate({ target: this, size: e });
    },
    minSizeNumber(e) {
      this.requestUpdate({ target: this, min: e });
    },
    maxSizeNumber(e) {
      this.requestUpdate({ target: this, max: e });
    }
  }
};
function P(e, i, s, n, t, a) {
  return openBlock(), createElementBlock("div", {
    class: "splitpanes__pane",
    onClick: i[0] || (i[0] = (r) => a.onPaneClick(r, e._.uid)),
    style: normalizeStyle(e.style)
  }, [
    renderSlot(e.$slots, "default")
  ], 4);
}
const g = /* @__PURE__ */ S(x, [["render", P]]);

/* Injected with object hook! */

function getDefaultExportFromCjs (x) {
	return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}

/* Injected with object hook! */

var codemirror$1 = {exports: {}};/* Injected with object hook! */

var codemirror = codemirror$1.exports;

var hasRequiredCodemirror;

function requireCodemirror () {
	if (hasRequiredCodemirror) return codemirror$1.exports;
	hasRequiredCodemirror = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		// This is CodeMirror (https://codemirror.net/5), a code editor
		// implemented in JavaScript on top of the browser's DOM.
		//
		// You can find some technical background for some of the code below
		// at http://marijnhaverbeke.nl/blog/#cm-internals .

		(function (global, factory) {
		  module.exports = factory() ;
		}(codemirror, (function () {
		  // Kludges for bugs and behavior differences that can't be feature
		  // detected are enabled based on userAgent etc sniffing.
		  var userAgent = navigator.userAgent;
		  var platform = navigator.platform;

		  var gecko = /gecko\/\d/i.test(userAgent);
		  var ie_upto10 = /MSIE \d/.test(userAgent);
		  var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
		  var edge = /Edge\/(\d+)/.exec(userAgent);
		  var ie = ie_upto10 || ie_11up || edge;
		  var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);
		  var webkit = !edge && /WebKit\//.test(userAgent);
		  var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
		  var chrome = !edge && /Chrome\/(\d+)/.exec(userAgent);
		  var chrome_version = chrome && +chrome[1];
		  var presto = /Opera\//.test(userAgent);
		  var safari = /Apple Computer/.test(navigator.vendor);
		  var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
		  var phantom = /PhantomJS/.test(userAgent);

		  var ios = safari && (/Mobile\/\w+/.test(userAgent) || navigator.maxTouchPoints > 2);
		  var android = /Android/.test(userAgent);
		  // This is woefully incomplete. Suggestions for alternative methods welcome.
		  var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
		  var mac = ios || /Mac/.test(platform);
		  var chromeOS = /\bCrOS\b/.test(userAgent);
		  var windows = /win/i.test(platform);

		  var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
		  if (presto_version) { presto_version = Number(presto_version[1]); }
		  if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
		  // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
		  var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
		  var captureRightClick = gecko || (ie && ie_version >= 9);

		  function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }

		  var rmClass = function(node, cls) {
		    var current = node.className;
		    var match = classTest(cls).exec(current);
		    if (match) {
		      var after = current.slice(match.index + match[0].length);
		      node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
		    }
		  };

		  function removeChildren(e) {
		    for (var count = e.childNodes.length; count > 0; --count)
		      { e.removeChild(e.firstChild); }
		    return e
		  }

		  function removeChildrenAndAdd(parent, e) {
		    return removeChildren(parent).appendChild(e)
		  }

		  function elt(tag, content, className, style) {
		    var e = document.createElement(tag);
		    if (className) { e.className = className; }
		    if (style) { e.style.cssText = style; }
		    if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }
		    else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }
		    return e
		  }
		  // wrapper for elt, which removes the elt from the accessibility tree
		  function eltP(tag, content, className, style) {
		    var e = elt(tag, content, className, style);
		    e.setAttribute("role", "presentation");
		    return e
		  }

		  var range;
		  if (document.createRange) { range = function(node, start, end, endNode) {
		    var r = document.createRange();
		    r.setEnd(endNode || node, end);
		    r.setStart(node, start);
		    return r
		  }; }
		  else { range = function(node, start, end) {
		    var r = document.body.createTextRange();
		    try { r.moveToElementText(node.parentNode); }
		    catch(e) { return r }
		    r.collapse(true);
		    r.moveEnd("character", end);
		    r.moveStart("character", start);
		    return r
		  }; }

		  function contains(parent, child) {
		    if (child.nodeType == 3) // Android browser always returns false when child is a textnode
		      { child = child.parentNode; }
		    if (parent.contains)
		      { return parent.contains(child) }
		    do {
		      if (child.nodeType == 11) { child = child.host; }
		      if (child == parent) { return true }
		    } while (child = child.parentNode)
		  }

		  function activeElt(rootNode) {
		    // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
		    // IE < 10 will throw when accessed while the page is loading or in an iframe.
		    // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
		    var doc = rootNode.ownerDocument || rootNode;
		    var activeElement;
		    try {
		      activeElement = rootNode.activeElement;
		    } catch(e) {
		      activeElement = doc.body || null;
		    }
		    while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
		      { activeElement = activeElement.shadowRoot.activeElement; }
		    return activeElement
		  }

		  function addClass(node, cls) {
		    var current = node.className;
		    if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }
		  }
		  function joinClasses(a, b) {
		    var as = a.split(" ");
		    for (var i = 0; i < as.length; i++)
		      { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }
		    return b
		  }

		  var selectInput = function(node) { node.select(); };
		  if (ios) // Mobile Safari apparently has a bug where select() is broken.
		    { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }
		  else if (ie) // Suppress mysterious IE10 errors
		    { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }

		  function doc(cm) { return cm.display.wrapper.ownerDocument }

		  function root(cm) {
		    return rootNode(cm.display.wrapper)
		  }

		  function rootNode(element) {
		    // Detect modern browsers (2017+).
		    return element.getRootNode ? element.getRootNode() : element.ownerDocument
		  }

		  function win(cm) { return doc(cm).defaultView }

		  function bind(f) {
		    var args = Array.prototype.slice.call(arguments, 1);
		    return function(){return f.apply(null, args)}
		  }

		  function copyObj(obj, target, overwrite) {
		    if (!target) { target = {}; }
		    for (var prop in obj)
		      { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
		        { target[prop] = obj[prop]; } }
		    return target
		  }

		  // Counts the column offset in a string, taking tabs into account.
		  // Used mostly to find indentation.
		  function countColumn(string, end, tabSize, startIndex, startValue) {
		    if (end == null) {
		      end = string.search(/[^\s\u00a0]/);
		      if (end == -1) { end = string.length; }
		    }
		    for (var i = startIndex || 0, n = startValue || 0;;) {
		      var nextTab = string.indexOf("\t", i);
		      if (nextTab < 0 || nextTab >= end)
		        { return n + (end - i) }
		      n += nextTab - i;
		      n += tabSize - (n % tabSize);
		      i = nextTab + 1;
		    }
		  }

		  var Delayed = function() {
		    this.id = null;
		    this.f = null;
		    this.time = 0;
		    this.handler = bind(this.onTimeout, this);
		  };
		  Delayed.prototype.onTimeout = function (self) {
		    self.id = 0;
		    if (self.time <= +new Date) {
		      self.f();
		    } else {
		      setTimeout(self.handler, self.time - +new Date);
		    }
		  };
		  Delayed.prototype.set = function (ms, f) {
		    this.f = f;
		    var time = +new Date + ms;
		    if (!this.id || time < this.time) {
		      clearTimeout(this.id);
		      this.id = setTimeout(this.handler, ms);
		      this.time = time;
		    }
		  };

		  function indexOf(array, elt) {
		    for (var i = 0; i < array.length; ++i)
		      { if (array[i] == elt) { return i } }
		    return -1
		  }

		  // Number of pixels added to scroller and sizer to hide scrollbar
		  var scrollerGap = 50;

		  // Returned or thrown by various protocols to signal 'I'm not
		  // handling this'.
		  var Pass = {toString: function(){return "CodeMirror.Pass"}};

		  // Reused option objects for setSelection & friends
		  var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};

		  // The inverse of countColumn -- find the offset that corresponds to
		  // a particular column.
		  function findColumn(string, goal, tabSize) {
		    for (var pos = 0, col = 0;;) {
		      var nextTab = string.indexOf("\t", pos);
		      if (nextTab == -1) { nextTab = string.length; }
		      var skipped = nextTab - pos;
		      if (nextTab == string.length || col + skipped >= goal)
		        { return pos + Math.min(skipped, goal - col) }
		      col += nextTab - pos;
		      col += tabSize - (col % tabSize);
		      pos = nextTab + 1;
		      if (col >= goal) { return pos }
		    }
		  }

		  var spaceStrs = [""];
		  function spaceStr(n) {
		    while (spaceStrs.length <= n)
		      { spaceStrs.push(lst(spaceStrs) + " "); }
		    return spaceStrs[n]
		  }

		  function lst(arr) { return arr[arr.length-1] }

		  function map(array, f) {
		    var out = [];
		    for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }
		    return out
		  }

		  function insertSorted(array, value, score) {
		    var pos = 0, priority = score(value);
		    while (pos < array.length && score(array[pos]) <= priority) { pos++; }
		    array.splice(pos, 0, value);
		  }

		  function nothing() {}

		  function createObj(base, props) {
		    var inst;
		    if (Object.create) {
		      inst = Object.create(base);
		    } else {
		      nothing.prototype = base;
		      inst = new nothing();
		    }
		    if (props) { copyObj(props, inst); }
		    return inst
		  }

		  var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
		  function isWordCharBasic(ch) {
		    return /\w/.test(ch) || ch > "\x80" &&
		      (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
		  }
		  function isWordChar(ch, helper) {
		    if (!helper) { return isWordCharBasic(ch) }
		    if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
		    return helper.test(ch)
		  }

		  function isEmpty(obj) {
		    for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
		    return true
		  }

		  // Extending unicode characters. A series of a non-extending char +
		  // any number of extending chars is treated as a single unit as far
		  // as editing and measuring is concerned. This is not fully correct,
		  // since some scripts/fonts/browsers also treat other configurations
		  // of code points as a group.
		  var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
		  function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }

		  // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
		  function skipExtendingChars(str, pos, dir) {
		    while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }
		    return pos
		  }

		  // Returns the value from the range [`from`; `to`] that satisfies
		  // `pred` and is closest to `from`. Assumes that at least `to`
		  // satisfies `pred`. Supports `from` being greater than `to`.
		  function findFirst(pred, from, to) {
		    // At any point we are certain `to` satisfies `pred`, don't know
		    // whether `from` does.
		    var dir = from > to ? -1 : 1;
		    for (;;) {
		      if (from == to) { return from }
		      var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);
		      if (mid == from) { return pred(mid) ? from : to }
		      if (pred(mid)) { to = mid; }
		      else { from = mid + dir; }
		    }
		  }

		  // BIDI HELPERS

		  function iterateBidiSections(order, from, to, f) {
		    if (!order) { return f(from, to, "ltr", 0) }
		    var found = false;
		    for (var i = 0; i < order.length; ++i) {
		      var part = order[i];
		      if (part.from < to && part.to > from || from == to && part.to == from) {
		        f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);
		        found = true;
		      }
		    }
		    if (!found) { f(from, to, "ltr"); }
		  }

		  var bidiOther = null;
		  function getBidiPartAt(order, ch, sticky) {
		    var found;
		    bidiOther = null;
		    for (var i = 0; i < order.length; ++i) {
		      var cur = order[i];
		      if (cur.from < ch && cur.to > ch) { return i }
		      if (cur.to == ch) {
		        if (cur.from != cur.to && sticky == "before") { found = i; }
		        else { bidiOther = i; }
		      }
		      if (cur.from == ch) {
		        if (cur.from != cur.to && sticky != "before") { found = i; }
		        else { bidiOther = i; }
		      }
		    }
		    return found != null ? found : bidiOther
		  }

		  // Bidirectional ordering algorithm
		  // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
		  // that this (partially) implements.

		  // One-char codes used for character types:
		  // L (L):   Left-to-Right
		  // R (R):   Right-to-Left
		  // r (AL):  Right-to-Left Arabic
		  // 1 (EN):  European Number
		  // + (ES):  European Number Separator
		  // % (ET):  European Number Terminator
		  // n (AN):  Arabic Number
		  // , (CS):  Common Number Separator
		  // m (NSM): Non-Spacing Mark
		  // b (BN):  Boundary Neutral
		  // s (B):   Paragraph Separator
		  // t (S):   Segment Separator
		  // w (WS):  Whitespace
		  // N (ON):  Other Neutrals

		  // Returns null if characters are ordered as they appear
		  // (left-to-right), or an array of sections ({from, to, level}
		  // objects) in the order in which they occur visually.
		  var bidiOrdering = (function() {
		    // Character types for codepoints 0 to 0xff
		    var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
		    // Character types for codepoints 0x600 to 0x6f9
		    var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";
		    function charType(code) {
		      if (code <= 0xf7) { return lowTypes.charAt(code) }
		      else if (0x590 <= code && code <= 0x5f4) { return "R" }
		      else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
		      else if (0x6ee <= code && code <= 0x8ac) { return "r" }
		      else if (0x2000 <= code && code <= 0x200b) { return "w" }
		      else if (code == 0x200c) { return "b" }
		      else { return "L" }
		    }

		    var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
		    var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;

		    function BidiSpan(level, from, to) {
		      this.level = level;
		      this.from = from; this.to = to;
		    }

		    return function(str, direction) {
		      var outerType = direction == "ltr" ? "L" : "R";

		      if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
		      var len = str.length, types = [];
		      for (var i = 0; i < len; ++i)
		        { types.push(charType(str.charCodeAt(i))); }

		      // W1. Examine each non-spacing mark (NSM) in the level run, and
		      // change the type of the NSM to the type of the previous
		      // character. If the NSM is at the start of the level run, it will
		      // get the type of sor.
		      for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
		        var type = types[i$1];
		        if (type == "m") { types[i$1] = prev; }
		        else { prev = type; }
		      }

		      // W2. Search backwards from each instance of a European number
		      // until the first strong type (R, L, AL, or sor) is found. If an
		      // AL is found, change the type of the European number to Arabic
		      // number.
		      // W3. Change all ALs to R.
		      for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
		        var type$1 = types[i$2];
		        if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }
		        else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }
		      }

		      // W4. A single European separator between two European numbers
		      // changes to a European number. A single common separator between
		      // two numbers of the same type changes to that type.
		      for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
		        var type$2 = types[i$3];
		        if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }
		        else if (type$2 == "," && prev$1 == types[i$3+1] &&
		                 (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }
		        prev$1 = type$2;
		      }

		      // W5. A sequence of European terminators adjacent to European
		      // numbers changes to all European numbers.
		      // W6. Otherwise, separators and terminators change to Other
		      // Neutral.
		      for (var i$4 = 0; i$4 < len; ++i$4) {
		        var type$3 = types[i$4];
		        if (type$3 == ",") { types[i$4] = "N"; }
		        else if (type$3 == "%") {
		          var end = (void 0);
		          for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
		          var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
		          for (var j = i$4; j < end; ++j) { types[j] = replace; }
		          i$4 = end - 1;
		        }
		      }

		      // W7. Search backwards from each instance of a European number
		      // until the first strong type (R, L, or sor) is found. If an L is
		      // found, then change the type of the European number to L.
		      for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
		        var type$4 = types[i$5];
		        if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }
		        else if (isStrong.test(type$4)) { cur$1 = type$4; }
		      }

		      // N1. A sequence of neutrals takes the direction of the
		      // surrounding strong text if the text on both sides has the same
		      // direction. European and Arabic numbers act as if they were R in
		      // terms of their influence on neutrals. Start-of-level-run (sor)
		      // and end-of-level-run (eor) are used at level run boundaries.
		      // N2. Any remaining neutrals take the embedding direction.
		      for (var i$6 = 0; i$6 < len; ++i$6) {
		        if (isNeutral.test(types[i$6])) {
		          var end$1 = (void 0);
		          for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
		          var before = (i$6 ? types[i$6-1] : outerType) == "L";
		          var after = (end$1 < len ? types[end$1] : outerType) == "L";
		          var replace$1 = before == after ? (before ? "L" : "R") : outerType;
		          for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }
		          i$6 = end$1 - 1;
		        }
		      }

		      // Here we depart from the documented algorithm, in order to avoid
		      // building up an actual levels array. Since there are only three
		      // levels (0, 1, 2) in an implementation that doesn't take
		      // explicit embedding into account, we can build up the order on
		      // the fly, without following the level-based algorithm.
		      var order = [], m;
		      for (var i$7 = 0; i$7 < len;) {
		        if (countsAsLeft.test(types[i$7])) {
		          var start = i$7;
		          for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
		          order.push(new BidiSpan(0, start, i$7));
		        } else {
		          var pos = i$7, at = order.length, isRTL = direction == "rtl" ? 1 : 0;
		          for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
		          for (var j$2 = pos; j$2 < i$7;) {
		            if (countsAsNum.test(types[j$2])) {
		              if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); at += isRTL; }
		              var nstart = j$2;
		              for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
		              order.splice(at, 0, new BidiSpan(2, nstart, j$2));
		              at += isRTL;
		              pos = j$2;
		            } else { ++j$2; }
		          }
		          if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }
		        }
		      }
		      if (direction == "ltr") {
		        if (order[0].level == 1 && (m = str.match(/^\s+/))) {
		          order[0].from = m[0].length;
		          order.unshift(new BidiSpan(0, 0, m[0].length));
		        }
		        if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
		          lst(order).to -= m[0].length;
		          order.push(new BidiSpan(0, len - m[0].length, len));
		        }
		      }

		      return direction == "rtl" ? order.reverse() : order
		    }
		  })();

		  // Get the bidi ordering for the given line (and cache it). Returns
		  // false for lines that are fully left-to-right, and an array of
		  // BidiSpan objects otherwise.
		  function getOrder(line, direction) {
		    var order = line.order;
		    if (order == null) { order = line.order = bidiOrdering(line.text, direction); }
		    return order
		  }

		  // EVENT HANDLING

		  // Lightweight event framework. on/off also work on DOM nodes,
		  // registering native DOM handlers.

		  var noHandlers = [];

		  var on = function(emitter, type, f) {
		    if (emitter.addEventListener) {
		      emitter.addEventListener(type, f, false);
		    } else if (emitter.attachEvent) {
		      emitter.attachEvent("on" + type, f);
		    } else {
		      var map = emitter._handlers || (emitter._handlers = {});
		      map[type] = (map[type] || noHandlers).concat(f);
		    }
		  };

		  function getHandlers(emitter, type) {
		    return emitter._handlers && emitter._handlers[type] || noHandlers
		  }

		  function off(emitter, type, f) {
		    if (emitter.removeEventListener) {
		      emitter.removeEventListener(type, f, false);
		    } else if (emitter.detachEvent) {
		      emitter.detachEvent("on" + type, f);
		    } else {
		      var map = emitter._handlers, arr = map && map[type];
		      if (arr) {
		        var index = indexOf(arr, f);
		        if (index > -1)
		          { map[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }
		      }
		    }
		  }

		  function signal(emitter, type /*, values...*/) {
		    var handlers = getHandlers(emitter, type);
		    if (!handlers.length) { return }
		    var args = Array.prototype.slice.call(arguments, 2);
		    for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }
		  }

		  // The DOM events that CodeMirror handles can be overridden by
		  // registering a (non-DOM) handler on the editor for the event name,
		  // and preventDefault-ing the event in that handler.
		  function signalDOMEvent(cm, e, override) {
		    if (typeof e == "string")
		      { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }
		    signal(cm, override || e.type, cm, e);
		    return e_defaultPrevented(e) || e.codemirrorIgnore
		  }

		  function signalCursorActivity(cm) {
		    var arr = cm._handlers && cm._handlers.cursorActivity;
		    if (!arr) { return }
		    var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
		    for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
		      { set.push(arr[i]); } }
		  }

		  function hasHandler(emitter, type) {
		    return getHandlers(emitter, type).length > 0
		  }

		  // Add on and off methods to a constructor's prototype, to make
		  // registering events on such objects more convenient.
		  function eventMixin(ctor) {
		    ctor.prototype.on = function(type, f) {on(this, type, f);};
		    ctor.prototype.off = function(type, f) {off(this, type, f);};
		  }

		  // Due to the fact that we still support jurassic IE versions, some
		  // compatibility wrappers are needed.

		  function e_preventDefault(e) {
		    if (e.preventDefault) { e.preventDefault(); }
		    else { e.returnValue = false; }
		  }
		  function e_stopPropagation(e) {
		    if (e.stopPropagation) { e.stopPropagation(); }
		    else { e.cancelBubble = true; }
		  }
		  function e_defaultPrevented(e) {
		    return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
		  }
		  function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}

		  function e_target(e) {return e.target || e.srcElement}
		  function e_button(e) {
		    var b = e.which;
		    if (b == null) {
		      if (e.button & 1) { b = 1; }
		      else if (e.button & 2) { b = 3; }
		      else if (e.button & 4) { b = 2; }
		    }
		    if (mac && e.ctrlKey && b == 1) { b = 3; }
		    return b
		  }

		  // Detect drag-and-drop
		  var dragAndDrop = function() {
		    // There is *some* kind of drag-and-drop support in IE6-8, but I
		    // couldn't get it to work yet.
		    if (ie && ie_version < 9) { return false }
		    var div = elt('div');
		    return "draggable" in div || "dragDrop" in div
		  }();

		  var zwspSupported;
		  function zeroWidthElement(measure) {
		    if (zwspSupported == null) {
		      var test = elt("span", "\u200b");
		      removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
		      if (measure.firstChild.offsetHeight != 0)
		        { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }
		    }
		    var node = zwspSupported ? elt("span", "\u200b") :
		      elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
		    node.setAttribute("cm-text", "");
		    return node
		  }

		  // Feature-detect IE's crummy client rect reporting for bidi text
		  var badBidiRects;
		  function hasBadBidiRects(measure) {
		    if (badBidiRects != null) { return badBidiRects }
		    var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
		    var r0 = range(txt, 0, 1).getBoundingClientRect();
		    var r1 = range(txt, 1, 2).getBoundingClientRect();
		    removeChildren(measure);
		    if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
		    return badBidiRects = (r1.right - r0.right < 3)
		  }

		  // See if "".split is the broken IE version, if so, provide an
		  // alternative way to split lines.
		  var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
		    var pos = 0, result = [], l = string.length;
		    while (pos <= l) {
		      var nl = string.indexOf("\n", pos);
		      if (nl == -1) { nl = string.length; }
		      var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
		      var rt = line.indexOf("\r");
		      if (rt != -1) {
		        result.push(line.slice(0, rt));
		        pos += rt + 1;
		      } else {
		        result.push(line);
		        pos = nl + 1;
		      }
		    }
		    return result
		  } : function (string) { return string.split(/\r\n?|\n/); };

		  var hasSelection = window.getSelection ? function (te) {
		    try { return te.selectionStart != te.selectionEnd }
		    catch(e) { return false }
		  } : function (te) {
		    var range;
		    try {range = te.ownerDocument.selection.createRange();}
		    catch(e) {}
		    if (!range || range.parentElement() != te) { return false }
		    return range.compareEndPoints("StartToEnd", range) != 0
		  };

		  var hasCopyEvent = (function () {
		    var e = elt("div");
		    if ("oncopy" in e) { return true }
		    e.setAttribute("oncopy", "return;");
		    return typeof e.oncopy == "function"
		  })();

		  var badZoomedRects = null;
		  function hasBadZoomedRects(measure) {
		    if (badZoomedRects != null) { return badZoomedRects }
		    var node = removeChildrenAndAdd(measure, elt("span", "x"));
		    var normal = node.getBoundingClientRect();
		    var fromRange = range(node, 0, 1).getBoundingClientRect();
		    return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
		  }

		  // Known modes, by name and by MIME
		  var modes = {}, mimeModes = {};

		  // Extra arguments are stored as the mode's dependencies, which is
		  // used by (legacy) mechanisms like loadmode.js to automatically
		  // load a mode. (Preferred mechanism is the require/define calls.)
		  function defineMode(name, mode) {
		    if (arguments.length > 2)
		      { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
		    modes[name] = mode;
		  }

		  function defineMIME(mime, spec) {
		    mimeModes[mime] = spec;
		  }

		  // Given a MIME type, a {name, ...options} config object, or a name
		  // string, return a mode config object.
		  function resolveMode(spec) {
		    if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
		      spec = mimeModes[spec];
		    } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
		      var found = mimeModes[spec.name];
		      if (typeof found == "string") { found = {name: found}; }
		      spec = createObj(found, spec);
		      spec.name = found.name;
		    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
		      return resolveMode("application/xml")
		    } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
		      return resolveMode("application/json")
		    }
		    if (typeof spec == "string") { return {name: spec} }
		    else { return spec || {name: "null"} }
		  }

		  // Given a mode spec (anything that resolveMode accepts), find and
		  // initialize an actual mode object.
		  function getMode(options, spec) {
		    spec = resolveMode(spec);
		    var mfactory = modes[spec.name];
		    if (!mfactory) { return getMode(options, "text/plain") }
		    var modeObj = mfactory(options, spec);
		    if (modeExtensions.hasOwnProperty(spec.name)) {
		      var exts = modeExtensions[spec.name];
		      for (var prop in exts) {
		        if (!exts.hasOwnProperty(prop)) { continue }
		        if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
		        modeObj[prop] = exts[prop];
		      }
		    }
		    modeObj.name = spec.name;
		    if (spec.helperType) { modeObj.helperType = spec.helperType; }
		    if (spec.modeProps) { for (var prop$1 in spec.modeProps)
		      { modeObj[prop$1] = spec.modeProps[prop$1]; } }

		    return modeObj
		  }

		  // This can be used to attach properties to mode objects from
		  // outside the actual mode definition.
		  var modeExtensions = {};
		  function extendMode(mode, properties) {
		    var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
		    copyObj(properties, exts);
		  }

		  function copyState(mode, state) {
		    if (state === true) { return state }
		    if (mode.copyState) { return mode.copyState(state) }
		    var nstate = {};
		    for (var n in state) {
		      var val = state[n];
		      if (val instanceof Array) { val = val.concat([]); }
		      nstate[n] = val;
		    }
		    return nstate
		  }

		  // Given a mode and a state (for that mode), find the inner mode and
		  // state at the position that the state refers to.
		  function innerMode(mode, state) {
		    var info;
		    while (mode.innerMode) {
		      info = mode.innerMode(state);
		      if (!info || info.mode == mode) { break }
		      state = info.state;
		      mode = info.mode;
		    }
		    return info || {mode: mode, state: state}
		  }

		  function startState(mode, a1, a2) {
		    return mode.startState ? mode.startState(a1, a2) : true
		  }

		  // STRING STREAM

		  // Fed to the mode parsers, provides helper functions to make
		  // parsers more succinct.

		  var StringStream = function(string, tabSize, lineOracle) {
		    this.pos = this.start = 0;
		    this.string = string;
		    this.tabSize = tabSize || 8;
		    this.lastColumnPos = this.lastColumnValue = 0;
		    this.lineStart = 0;
		    this.lineOracle = lineOracle;
		  };

		  StringStream.prototype.eol = function () {return this.pos >= this.string.length};
		  StringStream.prototype.sol = function () {return this.pos == this.lineStart};
		  StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
		  StringStream.prototype.next = function () {
		    if (this.pos < this.string.length)
		      { return this.string.charAt(this.pos++) }
		  };
		  StringStream.prototype.eat = function (match) {
		    var ch = this.string.charAt(this.pos);
		    var ok;
		    if (typeof match == "string") { ok = ch == match; }
		    else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
		    if (ok) {++this.pos; return ch}
		  };
		  StringStream.prototype.eatWhile = function (match) {
		    var start = this.pos;
		    while (this.eat(match)){}
		    return this.pos > start
		  };
		  StringStream.prototype.eatSpace = function () {
		    var start = this.pos;
		    while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this.pos; }
		    return this.pos > start
		  };
		  StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
		  StringStream.prototype.skipTo = function (ch) {
		    var found = this.string.indexOf(ch, this.pos);
		    if (found > -1) {this.pos = found; return true}
		  };
		  StringStream.prototype.backUp = function (n) {this.pos -= n;};
		  StringStream.prototype.column = function () {
		    if (this.lastColumnPos < this.start) {
		      this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
		      this.lastColumnPos = this.start;
		    }
		    return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
		  };
		  StringStream.prototype.indentation = function () {
		    return countColumn(this.string, null, this.tabSize) -
		      (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
		  };
		  StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
		    if (typeof pattern == "string") {
		      var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
		      var substr = this.string.substr(this.pos, pattern.length);
		      if (cased(substr) == cased(pattern)) {
		        if (consume !== false) { this.pos += pattern.length; }
		        return true
		      }
		    } else {
		      var match = this.string.slice(this.pos).match(pattern);
		      if (match && match.index > 0) { return null }
		      if (match && consume !== false) { this.pos += match[0].length; }
		      return match
		    }
		  };
		  StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
		  StringStream.prototype.hideFirstChars = function (n, inner) {
		    this.lineStart += n;
		    try { return inner() }
		    finally { this.lineStart -= n; }
		  };
		  StringStream.prototype.lookAhead = function (n) {
		    var oracle = this.lineOracle;
		    return oracle && oracle.lookAhead(n)
		  };
		  StringStream.prototype.baseToken = function () {
		    var oracle = this.lineOracle;
		    return oracle && oracle.baseToken(this.pos)
		  };

		  // Find the line object corresponding to the given line number.
		  function getLine(doc, n) {
		    n -= doc.first;
		    if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
		    var chunk = doc;
		    while (!chunk.lines) {
		      for (var i = 0;; ++i) {
		        var child = chunk.children[i], sz = child.chunkSize();
		        if (n < sz) { chunk = child; break }
		        n -= sz;
		      }
		    }
		    return chunk.lines[n]
		  }

		  // Get the part of a document between two positions, as an array of
		  // strings.
		  function getBetween(doc, start, end) {
		    var out = [], n = start.line;
		    doc.iter(start.line, end.line + 1, function (line) {
		      var text = line.text;
		      if (n == end.line) { text = text.slice(0, end.ch); }
		      if (n == start.line) { text = text.slice(start.ch); }
		      out.push(text);
		      ++n;
		    });
		    return out
		  }
		  // Get the lines between from and to, as array of strings.
		  function getLines(doc, from, to) {
		    var out = [];
		    doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value
		    return out
		  }

		  // Update the height of a line, propagating the height change
		  // upwards to parent nodes.
		  function updateLineHeight(line, height) {
		    var diff = height - line.height;
		    if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }
		  }

		  // Given a line object, find its line number by walking up through
		  // its parent links.
		  function lineNo(line) {
		    if (line.parent == null) { return null }
		    var cur = line.parent, no = indexOf(cur.lines, line);
		    for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
		      for (var i = 0;; ++i) {
		        if (chunk.children[i] == cur) { break }
		        no += chunk.children[i].chunkSize();
		      }
		    }
		    return no + cur.first
		  }

		  // Find the line at the given vertical position, using the height
		  // information in the document tree.
		  function lineAtHeight(chunk, h) {
		    var n = chunk.first;
		    outer: do {
		      for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
		        var child = chunk.children[i$1], ch = child.height;
		        if (h < ch) { chunk = child; continue outer }
		        h -= ch;
		        n += child.chunkSize();
		      }
		      return n
		    } while (!chunk.lines)
		    var i = 0;
		    for (; i < chunk.lines.length; ++i) {
		      var line = chunk.lines[i], lh = line.height;
		      if (h < lh) { break }
		      h -= lh;
		    }
		    return n + i
		  }

		  function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}

		  function lineNumberFor(options, i) {
		    return String(options.lineNumberFormatter(i + options.firstLineNumber))
		  }

		  // A Pos instance represents a position within the text.
		  function Pos(line, ch, sticky) {
		    if ( sticky === void 0 ) sticky = null;

		    if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
		    this.line = line;
		    this.ch = ch;
		    this.sticky = sticky;
		  }

		  // Compare two positions, return 0 if they are the same, a negative
		  // number when a is less, and a positive number otherwise.
		  function cmp(a, b) { return a.line - b.line || a.ch - b.ch }

		  function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }

		  function copyPos(x) {return Pos(x.line, x.ch)}
		  function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
		  function minPos(a, b) { return cmp(a, b) < 0 ? a : b }

		  // Most of the external API clips given positions to make sure they
		  // actually exist within the document.
		  function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
		  function clipPos(doc, pos) {
		    if (pos.line < doc.first) { return Pos(doc.first, 0) }
		    var last = doc.first + doc.size - 1;
		    if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
		    return clipToLen(pos, getLine(doc, pos.line).text.length)
		  }
		  function clipToLen(pos, linelen) {
		    var ch = pos.ch;
		    if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
		    else if (ch < 0) { return Pos(pos.line, 0) }
		    else { return pos }
		  }
		  function clipPosArray(doc, array) {
		    var out = [];
		    for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }
		    return out
		  }

		  var SavedContext = function(state, lookAhead) {
		    this.state = state;
		    this.lookAhead = lookAhead;
		  };

		  var Context = function(doc, state, line, lookAhead) {
		    this.state = state;
		    this.doc = doc;
		    this.line = line;
		    this.maxLookAhead = lookAhead || 0;
		    this.baseTokens = null;
		    this.baseTokenPos = 1;
		  };

		  Context.prototype.lookAhead = function (n) {
		    var line = this.doc.getLine(this.line + n);
		    if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }
		    return line
		  };

		  Context.prototype.baseToken = function (n) {
		    if (!this.baseTokens) { return null }
		    while (this.baseTokens[this.baseTokenPos] <= n)
		      { this.baseTokenPos += 2; }
		    var type = this.baseTokens[this.baseTokenPos + 1];
		    return {type: type && type.replace(/( |^)overlay .*/, ""),
		            size: this.baseTokens[this.baseTokenPos] - n}
		  };

		  Context.prototype.nextLine = function () {
		    this.line++;
		    if (this.maxLookAhead > 0) { this.maxLookAhead--; }
		  };

		  Context.fromSaved = function (doc, saved, line) {
		    if (saved instanceof SavedContext)
		      { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
		    else
		      { return new Context(doc, copyState(doc.mode, saved), line) }
		  };

		  Context.prototype.save = function (copy) {
		    var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;
		    return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
		  };


		  // Compute a style array (an array starting with a mode generation
		  // -- for invalidation -- followed by pairs of end positions and
		  // style strings), which is used to highlight the tokens on the
		  // line.
		  function highlightLine(cm, line, context, forceToEnd) {
		    // A styles array always starts with a number identifying the
		    // mode/overlays that it is based on (for easy invalidation).
		    var st = [cm.state.modeGen], lineClasses = {};
		    // Compute the base array of styles
		    runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
		            lineClasses, forceToEnd);
		    var state = context.state;

		    // Run overlays, adjust style array.
		    var loop = function ( o ) {
		      context.baseTokens = st;
		      var overlay = cm.state.overlays[o], i = 1, at = 0;
		      context.state = true;
		      runMode(cm, line.text, overlay.mode, context, function (end, style) {
		        var start = i;
		        // Ensure there's a token end at the current position, and that i points at it
		        while (at < end) {
		          var i_end = st[i];
		          if (i_end > end)
		            { st.splice(i, 1, end, st[i+1], i_end); }
		          i += 2;
		          at = Math.min(end, i_end);
		        }
		        if (!style) { return }
		        if (overlay.opaque) {
		          st.splice(start, i - start, end, "overlay " + style);
		          i = start + 2;
		        } else {
		          for (; start < i; start += 2) {
		            var cur = st[start+1];
		            st[start+1] = (cur ? cur + " " : "") + "overlay " + style;
		          }
		        }
		      }, lineClasses);
		      context.state = state;
		      context.baseTokens = null;
		      context.baseTokenPos = 1;
		    };

		    for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );

		    return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
		  }

		  function getLineStyles(cm, line, updateFrontier) {
		    if (!line.styles || line.styles[0] != cm.state.modeGen) {
		      var context = getContextBefore(cm, lineNo(line));
		      var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);
		      var result = highlightLine(cm, line, context);
		      if (resetState) { context.state = resetState; }
		      line.stateAfter = context.save(!resetState);
		      line.styles = result.styles;
		      if (result.classes) { line.styleClasses = result.classes; }
		      else if (line.styleClasses) { line.styleClasses = null; }
		      if (updateFrontier === cm.doc.highlightFrontier)
		        { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }
		    }
		    return line.styles
		  }

		  function getContextBefore(cm, n, precise) {
		    var doc = cm.doc, display = cm.display;
		    if (!doc.mode.startState) { return new Context(doc, true, n) }
		    var start = findStartLine(cm, n, precise);
		    var saved = start > doc.first && getLine(doc, start - 1).stateAfter;
		    var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);

		    doc.iter(start, n, function (line) {
		      processLine(cm, line.text, context);
		      var pos = context.line;
		      line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;
		      context.nextLine();
		    });
		    if (precise) { doc.modeFrontier = context.line; }
		    return context
		  }

		  // Lightweight form of highlight -- proceed over this line and
		  // update state, but don't save a style array. Used for lines that
		  // aren't currently visible.
		  function processLine(cm, text, context, startAt) {
		    var mode = cm.doc.mode;
		    var stream = new StringStream(text, cm.options.tabSize, context);
		    stream.start = stream.pos = startAt || 0;
		    if (text == "") { callBlankLine(mode, context.state); }
		    while (!stream.eol()) {
		      readToken(mode, stream, context.state);
		      stream.start = stream.pos;
		    }
		  }

		  function callBlankLine(mode, state) {
		    if (mode.blankLine) { return mode.blankLine(state) }
		    if (!mode.innerMode) { return }
		    var inner = innerMode(mode, state);
		    if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
		  }

		  function readToken(mode, stream, state, inner) {
		    for (var i = 0; i < 10; i++) {
		      if (inner) { inner[0] = innerMode(mode, state).mode; }
		      var style = mode.token(stream, state);
		      if (stream.pos > stream.start) { return style }
		    }
		    throw new Error("Mode " + mode.name + " failed to advance stream.")
		  }

		  var Token = function(stream, type, state) {
		    this.start = stream.start; this.end = stream.pos;
		    this.string = stream.current();
		    this.type = type || null;
		    this.state = state;
		  };

		  // Utility for getTokenAt and getLineTokens
		  function takeToken(cm, pos, precise, asArray) {
		    var doc = cm.doc, mode = doc.mode, style;
		    pos = clipPos(doc, pos);
		    var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);
		    var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;
		    if (asArray) { tokens = []; }
		    while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
		      stream.start = stream.pos;
		      style = readToken(mode, stream, context.state);
		      if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }
		    }
		    return asArray ? tokens : new Token(stream, style, context.state)
		  }

		  function extractLineClasses(type, output) {
		    if (type) { for (;;) {
		      var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
		      if (!lineClass) { break }
		      type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
		      var prop = lineClass[1] ? "bgClass" : "textClass";
		      if (output[prop] == null)
		        { output[prop] = lineClass[2]; }
		      else if (!(new RegExp("(?:^|\\s)" + lineClass[2] + "(?:$|\\s)")).test(output[prop]))
		        { output[prop] += " " + lineClass[2]; }
		    } }
		    return type
		  }

		  // Run the given mode's parser over a line, calling f for each token.
		  function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
		    var flattenSpans = mode.flattenSpans;
		    if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }
		    var curStart = 0, curStyle = null;
		    var stream = new StringStream(text, cm.options.tabSize, context), style;
		    var inner = cm.options.addModeClass && [null];
		    if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }
		    while (!stream.eol()) {
		      if (stream.pos > cm.options.maxHighlightLength) {
		        flattenSpans = false;
		        if (forceToEnd) { processLine(cm, text, context, stream.pos); }
		        stream.pos = text.length;
		        style = null;
		      } else {
		        style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);
		      }
		      if (inner) {
		        var mName = inner[0].name;
		        if (mName) { style = "m-" + (style ? mName + " " + style : mName); }
		      }
		      if (!flattenSpans || curStyle != style) {
		        while (curStart < stream.start) {
		          curStart = Math.min(stream.start, curStart + 5000);
		          f(curStart, curStyle);
		        }
		        curStyle = style;
		      }
		      stream.start = stream.pos;
		    }
		    while (curStart < stream.pos) {
		      // Webkit seems to refuse to render text nodes longer than 57444
		      // characters, and returns inaccurate measurements in nodes
		      // starting around 5000 chars.
		      var pos = Math.min(stream.pos, curStart + 5000);
		      f(pos, curStyle);
		      curStart = pos;
		    }
		  }

		  // Finds the line to start with when starting a parse. Tries to
		  // find a line with a stateAfter, so that it can start with a
		  // valid state. If that fails, it returns the line with the
		  // smallest indentation, which tends to need the least context to
		  // parse correctly.
		  function findStartLine(cm, n, precise) {
		    var minindent, minline, doc = cm.doc;
		    var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
		    for (var search = n; search > lim; --search) {
		      if (search <= doc.first) { return doc.first }
		      var line = getLine(doc, search - 1), after = line.stateAfter;
		      if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
		        { return search }
		      var indented = countColumn(line.text, null, cm.options.tabSize);
		      if (minline == null || minindent > indented) {
		        minline = search - 1;
		        minindent = indented;
		      }
		    }
		    return minline
		  }

		  function retreatFrontier(doc, n) {
		    doc.modeFrontier = Math.min(doc.modeFrontier, n);
		    if (doc.highlightFrontier < n - 10) { return }
		    var start = doc.first;
		    for (var line = n - 1; line > start; line--) {
		      var saved = getLine(doc, line).stateAfter;
		      // change is on 3
		      // state on line 1 looked ahead 2 -- so saw 3
		      // test 1 + 2 < 3 should cover this
		      if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
		        start = line + 1;
		        break
		      }
		    }
		    doc.highlightFrontier = Math.min(doc.highlightFrontier, start);
		  }

		  // Optimize some code when these features are not used.
		  var sawReadOnlySpans = false, sawCollapsedSpans = false;

		  function seeReadOnlySpans() {
		    sawReadOnlySpans = true;
		  }

		  function seeCollapsedSpans() {
		    sawCollapsedSpans = true;
		  }

		  // TEXTMARKER SPANS

		  function MarkedSpan(marker, from, to) {
		    this.marker = marker;
		    this.from = from; this.to = to;
		  }

		  // Search an array of spans for a span matching the given marker.
		  function getMarkedSpanFor(spans, marker) {
		    if (spans) { for (var i = 0; i < spans.length; ++i) {
		      var span = spans[i];
		      if (span.marker == marker) { return span }
		    } }
		  }

		  // Remove a span from an array, returning undefined if no spans are
		  // left (we don't store arrays for lines without spans).
		  function removeMarkedSpan(spans, span) {
		    var r;
		    for (var i = 0; i < spans.length; ++i)
		      { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }
		    return r
		  }

		  // Add a span to a line.
		  function addMarkedSpan(line, span, op) {
		    var inThisOp = op && window.WeakSet && (op.markedSpans || (op.markedSpans = new WeakSet));
		    if (inThisOp && line.markedSpans && inThisOp.has(line.markedSpans)) {
		      line.markedSpans.push(span);
		    } else {
		      line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
		      if (inThisOp) { inThisOp.add(line.markedSpans); }
		    }
		    span.marker.attachLine(line);
		  }

		  // Used for the algorithm that adjusts markers for a change in the
		  // document. These functions cut an array of spans at a given
		  // character position, returning an array of remaining chunks (or
		  // undefined if nothing remains).
		  function markedSpansBefore(old, startCh, isInsert) {
		    var nw;
		    if (old) { for (var i = 0; i < old.length; ++i) {
		      var span = old[i], marker = span.marker;
		      var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
		      if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
		        var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh)
		        ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
		      }
		    } }
		    return nw
		  }
		  function markedSpansAfter(old, endCh, isInsert) {
		    var nw;
		    if (old) { for (var i = 0; i < old.length; ++i) {
		      var span = old[i], marker = span.marker;
		      var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
		      if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
		        var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh)
		        ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
		                                              span.to == null ? null : span.to - endCh));
		      }
		    } }
		    return nw
		  }

		  // Given a change object, compute the new set of marker spans that
		  // cover the line in which the change took place. Removes spans
		  // entirely within the change, reconnects spans belonging to the
		  // same marker that appear on both sides of the change, and cuts off
		  // spans partially within the change. Returns an array of span
		  // arrays with one element for each line in (after) the change.
		  function stretchSpansOverChange(doc, change) {
		    if (change.full) { return null }
		    var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
		    var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
		    if (!oldFirst && !oldLast) { return null }

		    var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
		    // Get the spans that 'stick out' on both sides
		    var first = markedSpansBefore(oldFirst, startCh, isInsert);
		    var last = markedSpansAfter(oldLast, endCh, isInsert);

		    // Next, merge those two ends
		    var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
		    if (first) {
		      // Fix up .to properties of first
		      for (var i = 0; i < first.length; ++i) {
		        var span = first[i];
		        if (span.to == null) {
		          var found = getMarkedSpanFor(last, span.marker);
		          if (!found) { span.to = startCh; }
		          else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }
		        }
		      }
		    }
		    if (last) {
		      // Fix up .from in last (or move them into first in case of sameLine)
		      for (var i$1 = 0; i$1 < last.length; ++i$1) {
		        var span$1 = last[i$1];
		        if (span$1.to != null) { span$1.to += offset; }
		        if (span$1.from == null) {
		          var found$1 = getMarkedSpanFor(first, span$1.marker);
		          if (!found$1) {
		            span$1.from = offset;
		            if (sameLine) { (first || (first = [])).push(span$1); }
		          }
		        } else {
		          span$1.from += offset;
		          if (sameLine) { (first || (first = [])).push(span$1); }
		        }
		      }
		    }
		    // Make sure we didn't create any zero-length spans
		    if (first) { first = clearEmptySpans(first); }
		    if (last && last != first) { last = clearEmptySpans(last); }

		    var newMarkers = [first];
		    if (!sameLine) {
		      // Fill gap with whole-line-spans
		      var gap = change.text.length - 2, gapMarkers;
		      if (gap > 0 && first)
		        { for (var i$2 = 0; i$2 < first.length; ++i$2)
		          { if (first[i$2].to == null)
		            { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }
		      for (var i$3 = 0; i$3 < gap; ++i$3)
		        { newMarkers.push(gapMarkers); }
		      newMarkers.push(last);
		    }
		    return newMarkers
		  }

		  // Remove spans that are empty and don't have a clearWhenEmpty
		  // option of false.
		  function clearEmptySpans(spans) {
		    for (var i = 0; i < spans.length; ++i) {
		      var span = spans[i];
		      if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
		        { spans.splice(i--, 1); }
		    }
		    if (!spans.length) { return null }
		    return spans
		  }

		  // Used to 'clip' out readOnly ranges when making a change.
		  function removeReadOnlyRanges(doc, from, to) {
		    var markers = null;
		    doc.iter(from.line, to.line + 1, function (line) {
		      if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
		        var mark = line.markedSpans[i].marker;
		        if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
		          { (markers || (markers = [])).push(mark); }
		      } }
		    });
		    if (!markers) { return null }
		    var parts = [{from: from, to: to}];
		    for (var i = 0; i < markers.length; ++i) {
		      var mk = markers[i], m = mk.find(0);
		      for (var j = 0; j < parts.length; ++j) {
		        var p = parts[j];
		        if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }
		        var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
		        if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
		          { newParts.push({from: p.from, to: m.from}); }
		        if (dto > 0 || !mk.inclusiveRight && !dto)
		          { newParts.push({from: m.to, to: p.to}); }
		        parts.splice.apply(parts, newParts);
		        j += newParts.length - 3;
		      }
		    }
		    return parts
		  }

		  // Connect or disconnect spans from a line.
		  function detachMarkedSpans(line) {
		    var spans = line.markedSpans;
		    if (!spans) { return }
		    for (var i = 0; i < spans.length; ++i)
		      { spans[i].marker.detachLine(line); }
		    line.markedSpans = null;
		  }
		  function attachMarkedSpans(line, spans) {
		    if (!spans) { return }
		    for (var i = 0; i < spans.length; ++i)
		      { spans[i].marker.attachLine(line); }
		    line.markedSpans = spans;
		  }

		  // Helpers used when computing which overlapping collapsed span
		  // counts as the larger one.
		  function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
		  function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }

		  // Returns a number indicating which of two overlapping collapsed
		  // spans is larger (and thus includes the other). Falls back to
		  // comparing ids when the spans cover exactly the same range.
		  function compareCollapsedMarkers(a, b) {
		    var lenDiff = a.lines.length - b.lines.length;
		    if (lenDiff != 0) { return lenDiff }
		    var aPos = a.find(), bPos = b.find();
		    var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
		    if (fromCmp) { return -fromCmp }
		    var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
		    if (toCmp) { return toCmp }
		    return b.id - a.id
		  }

		  // Find out whether a line ends or starts in a collapsed span. If
		  // so, return the marker for that span.
		  function collapsedSpanAtSide(line, start) {
		    var sps = sawCollapsedSpans && line.markedSpans, found;
		    if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
		      sp = sps[i];
		      if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
		          (!found || compareCollapsedMarkers(found, sp.marker) < 0))
		        { found = sp.marker; }
		    } }
		    return found
		  }
		  function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
		  function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }

		  function collapsedSpanAround(line, ch) {
		    var sps = sawCollapsedSpans && line.markedSpans, found;
		    if (sps) { for (var i = 0; i < sps.length; ++i) {
		      var sp = sps[i];
		      if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) &&
		          (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; }
		    } }
		    return found
		  }

		  // Test whether there exists a collapsed span that partially
		  // overlaps (covers the start or end, but not both) of a new span.
		  // Such overlap is not allowed.
		  function conflictingCollapsedRange(doc, lineNo, from, to, marker) {
		    var line = getLine(doc, lineNo);
		    var sps = sawCollapsedSpans && line.markedSpans;
		    if (sps) { for (var i = 0; i < sps.length; ++i) {
		      var sp = sps[i];
		      if (!sp.marker.collapsed) { continue }
		      var found = sp.marker.find(0);
		      var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
		      var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
		      if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }
		      if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
		          fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
		        { return true }
		    } }
		  }

		  // A visual line is a line as drawn on the screen. Folding, for
		  // example, can cause multiple logical lines to appear on the same
		  // visual line. This finds the start of the visual line that the
		  // given line is part of (usually that is the line itself).
		  function visualLine(line) {
		    var merged;
		    while (merged = collapsedSpanAtStart(line))
		      { line = merged.find(-1, true).line; }
		    return line
		  }

		  function visualLineEnd(line) {
		    var merged;
		    while (merged = collapsedSpanAtEnd(line))
		      { line = merged.find(1, true).line; }
		    return line
		  }

		  // Returns an array of logical lines that continue the visual line
		  // started by the argument, or undefined if there are no such lines.
		  function visualLineContinued(line) {
		    var merged, lines;
		    while (merged = collapsedSpanAtEnd(line)) {
		      line = merged.find(1, true).line
		      ;(lines || (lines = [])).push(line);
		    }
		    return lines
		  }

		  // Get the line number of the start of the visual line that the
		  // given line number is part of.
		  function visualLineNo(doc, lineN) {
		    var line = getLine(doc, lineN), vis = visualLine(line);
		    if (line == vis) { return lineN }
		    return lineNo(vis)
		  }

		  // Get the line number of the start of the next visual line after
		  // the given line.
		  function visualLineEndNo(doc, lineN) {
		    if (lineN > doc.lastLine()) { return lineN }
		    var line = getLine(doc, lineN), merged;
		    if (!lineIsHidden(doc, line)) { return lineN }
		    while (merged = collapsedSpanAtEnd(line))
		      { line = merged.find(1, true).line; }
		    return lineNo(line) + 1
		  }

		  // Compute whether a line is hidden. Lines count as hidden when they
		  // are part of a visual line that starts with another line, or when
		  // they are entirely covered by collapsed, non-widget span.
		  function lineIsHidden(doc, line) {
		    var sps = sawCollapsedSpans && line.markedSpans;
		    if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
		      sp = sps[i];
		      if (!sp.marker.collapsed) { continue }
		      if (sp.from == null) { return true }
		      if (sp.marker.widgetNode) { continue }
		      if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
		        { return true }
		    } }
		  }
		  function lineIsHiddenInner(doc, line, span) {
		    if (span.to == null) {
		      var end = span.marker.find(1, true);
		      return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
		    }
		    if (span.marker.inclusiveRight && span.to == line.text.length)
		      { return true }
		    for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {
		      sp = line.markedSpans[i];
		      if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
		          (sp.to == null || sp.to != span.from) &&
		          (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
		          lineIsHiddenInner(doc, line, sp)) { return true }
		    }
		  }

		  // Find the height above the given line.
		  function heightAtLine(lineObj) {
		    lineObj = visualLine(lineObj);

		    var h = 0, chunk = lineObj.parent;
		    for (var i = 0; i < chunk.lines.length; ++i) {
		      var line = chunk.lines[i];
		      if (line == lineObj) { break }
		      else { h += line.height; }
		    }
		    for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
		      for (var i$1 = 0; i$1 < p.children.length; ++i$1) {
		        var cur = p.children[i$1];
		        if (cur == chunk) { break }
		        else { h += cur.height; }
		      }
		    }
		    return h
		  }

		  // Compute the character length of a line, taking into account
		  // collapsed ranges (see markText) that might hide parts, and join
		  // other lines onto it.
		  function lineLength(line) {
		    if (line.height == 0) { return 0 }
		    var len = line.text.length, merged, cur = line;
		    while (merged = collapsedSpanAtStart(cur)) {
		      var found = merged.find(0, true);
		      cur = found.from.line;
		      len += found.from.ch - found.to.ch;
		    }
		    cur = line;
		    while (merged = collapsedSpanAtEnd(cur)) {
		      var found$1 = merged.find(0, true);
		      len -= cur.text.length - found$1.from.ch;
		      cur = found$1.to.line;
		      len += cur.text.length - found$1.to.ch;
		    }
		    return len
		  }

		  // Find the longest line in the document.
		  function findMaxLine(cm) {
		    var d = cm.display, doc = cm.doc;
		    d.maxLine = getLine(doc, doc.first);
		    d.maxLineLength = lineLength(d.maxLine);
		    d.maxLineChanged = true;
		    doc.iter(function (line) {
		      var len = lineLength(line);
		      if (len > d.maxLineLength) {
		        d.maxLineLength = len;
		        d.maxLine = line;
		      }
		    });
		  }

		  // LINE DATA STRUCTURE

		  // Line objects. These hold state related to a line, including
		  // highlighting info (the styles array).
		  var Line = function(text, markedSpans, estimateHeight) {
		    this.text = text;
		    attachMarkedSpans(this, markedSpans);
		    this.height = estimateHeight ? estimateHeight(this) : 1;
		  };

		  Line.prototype.lineNo = function () { return lineNo(this) };
		  eventMixin(Line);

		  // Change the content (text, markers) of a line. Automatically
		  // invalidates cached information and tries to re-estimate the
		  // line's height.
		  function updateLine(line, text, markedSpans, estimateHeight) {
		    line.text = text;
		    if (line.stateAfter) { line.stateAfter = null; }
		    if (line.styles) { line.styles = null; }
		    if (line.order != null) { line.order = null; }
		    detachMarkedSpans(line);
		    attachMarkedSpans(line, markedSpans);
		    var estHeight = estimateHeight ? estimateHeight(line) : 1;
		    if (estHeight != line.height) { updateLineHeight(line, estHeight); }
		  }

		  // Detach a line from the document tree and its markers.
		  function cleanUpLine(line) {
		    line.parent = null;
		    detachMarkedSpans(line);
		  }

		  // Convert a style as returned by a mode (either null, or a string
		  // containing one or more styles) to a CSS style. This is cached,
		  // and also looks for line-wide styles.
		  var styleToClassCache = {}, styleToClassCacheWithMode = {};
		  function interpretTokenStyle(style, options) {
		    if (!style || /^\s*$/.test(style)) { return null }
		    var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
		    return cache[style] ||
		      (cache[style] = style.replace(/\S+/g, "cm-$&"))
		  }

		  // Render the DOM representation of the text of a line. Also builds
		  // up a 'line map', which points at the DOM nodes that represent
		  // specific stretches of text, and is used by the measuring code.
		  // The returned object contains the DOM node, this map, and
		  // information about line-wide styles that were set by the mode.
		  function buildLineContent(cm, lineView) {
		    // The padding-right forces the element to have a 'border', which
		    // is needed on Webkit to be able to get line-level bounding
		    // rectangles for it (in measureChar).
		    var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);
		    var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
		                   col: 0, pos: 0, cm: cm,
		                   trailingSpace: false,
		                   splitSpaces: cm.getOption("lineWrapping")};
		    lineView.measure = {};

		    // Iterate over the logical lines that make up this visual line.
		    for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
		      var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);
		      builder.pos = 0;
		      builder.addToken = buildToken;
		      // Optionally wire in some hacks into the token-rendering
		      // algorithm, to deal with browser quirks.
		      if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
		        { builder.addToken = buildTokenBadBidi(builder.addToken, order); }
		      builder.map = [];
		      var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
		      insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
		      if (line.styleClasses) {
		        if (line.styleClasses.bgClass)
		          { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); }
		        if (line.styleClasses.textClass)
		          { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); }
		      }

		      // Ensure at least a single node is present, for measuring.
		      if (builder.map.length == 0)
		        { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }

		      // Store the map and a cache object for the current logical line
		      if (i == 0) {
		        lineView.measure.map = builder.map;
		        lineView.measure.cache = {};
		      } else {
		  (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
		        ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});
		      }
		    }

		    // See issue #2901
		    if (webkit) {
		      var last = builder.content.lastChild;
		      if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
		        { builder.content.className = "cm-tab-wrap-hack"; }
		    }

		    signal(cm, "renderLine", cm, lineView.line, builder.pre);
		    if (builder.pre.className)
		      { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); }

		    return builder
		  }

		  function defaultSpecialCharPlaceholder(ch) {
		    var token = elt("span", "\u2022", "cm-invalidchar");
		    token.title = "\\u" + ch.charCodeAt(0).toString(16);
		    token.setAttribute("aria-label", token.title);
		    return token
		  }

		  // Build up the DOM representation for a single token, and add it to
		  // the line map. Takes care to render special characters separately.
		  function buildToken(builder, text, style, startStyle, endStyle, css, attributes) {
		    if (!text) { return }
		    var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;
		    var special = builder.cm.state.specialChars, mustWrap = false;
		    var content;
		    if (!special.test(text)) {
		      builder.col += text.length;
		      content = document.createTextNode(displayText);
		      builder.map.push(builder.pos, builder.pos + text.length, content);
		      if (ie && ie_version < 9) { mustWrap = true; }
		      builder.pos += text.length;
		    } else {
		      content = document.createDocumentFragment();
		      var pos = 0;
		      while (true) {
		        special.lastIndex = pos;
		        var m = special.exec(text);
		        var skipped = m ? m.index - pos : text.length - pos;
		        if (skipped) {
		          var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
		          if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); }
		          else { content.appendChild(txt); }
		          builder.map.push(builder.pos, builder.pos + skipped, txt);
		          builder.col += skipped;
		          builder.pos += skipped;
		        }
		        if (!m) { break }
		        pos += skipped + 1;
		        var txt$1 = (void 0);
		        if (m[0] == "\t") {
		          var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
		          txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
		          txt$1.setAttribute("role", "presentation");
		          txt$1.setAttribute("cm-text", "\t");
		          builder.col += tabWidth;
		        } else if (m[0] == "\r" || m[0] == "\n") {
		          txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
		          txt$1.setAttribute("cm-text", m[0]);
		          builder.col += 1;
		        } else {
		          txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);
		          txt$1.setAttribute("cm-text", m[0]);
		          if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); }
		          else { content.appendChild(txt$1); }
		          builder.col += 1;
		        }
		        builder.map.push(builder.pos, builder.pos + 1, txt$1);
		        builder.pos++;
		      }
		    }
		    builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;
		    if (style || startStyle || endStyle || mustWrap || css || attributes) {
		      var fullStyle = style || "";
		      if (startStyle) { fullStyle += startStyle; }
		      if (endStyle) { fullStyle += endStyle; }
		      var token = elt("span", [content], fullStyle, css);
		      if (attributes) {
		        for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class")
		          { token.setAttribute(attr, attributes[attr]); } }
		      }
		      return builder.content.appendChild(token)
		    }
		    builder.content.appendChild(content);
		  }

		  // Change some spaces to NBSP to prevent the browser from collapsing
		  // trailing spaces at the end of a line when rendering text (issue #1362).
		  function splitSpaces(text, trailingBefore) {
		    if (text.length > 1 && !/  /.test(text)) { return text }
		    var spaceBefore = trailingBefore, result = "";
		    for (var i = 0; i < text.length; i++) {
		      var ch = text.charAt(i);
		      if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
		        { ch = "\u00a0"; }
		      result += ch;
		      spaceBefore = ch == " ";
		    }
		    return result
		  }

		  // Work around nonsense dimensions being reported for stretches of
		  // right-to-left text.
		  function buildTokenBadBidi(inner, order) {
		    return function (builder, text, style, startStyle, endStyle, css, attributes) {
		      style = style ? style + " cm-force-border" : "cm-force-border";
		      var start = builder.pos, end = start + text.length;
		      for (;;) {
		        // Find the part that overlaps with the start of this text
		        var part = (void 0);
		        for (var i = 0; i < order.length; i++) {
		          part = order[i];
		          if (part.to > start && part.from <= start) { break }
		        }
		        if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) }
		        inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes);
		        startStyle = null;
		        text = text.slice(part.to - start);
		        start = part.to;
		      }
		    }
		  }

		  function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
		    var widget = !ignoreWidget && marker.widgetNode;
		    if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }
		    if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
		      if (!widget)
		        { widget = builder.content.appendChild(document.createElement("span")); }
		      widget.setAttribute("cm-marker", marker.id);
		    }
		    if (widget) {
		      builder.cm.display.input.setUneditable(widget);
		      builder.content.appendChild(widget);
		    }
		    builder.pos += size;
		    builder.trailingSpace = false;
		  }

		  // Outputs a number of spans to make up a line, taking highlighting
		  // and marked text into account.
		  function insertLineContent(line, builder, styles) {
		    var spans = line.markedSpans, allText = line.text, at = 0;
		    if (!spans) {
		      for (var i$1 = 1; i$1 < styles.length; i$1+=2)
		        { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }
		      return
		    }

		    var len = allText.length, pos = 0, i = 1, text = "", style, css;
		    var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes;
		    for (;;) {
		      if (nextChange == pos) { // Update current marker set
		        spanStyle = spanEndStyle = spanStartStyle = css = "";
		        attributes = null;
		        collapsed = null; nextChange = Infinity;
		        var foundBookmarks = [], endStyles = (void 0);
		        for (var j = 0; j < spans.length; ++j) {
		          var sp = spans[j], m = sp.marker;
		          if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
		            foundBookmarks.push(m);
		          } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
		            if (sp.to != null && sp.to != pos && nextChange > sp.to) {
		              nextChange = sp.to;
		              spanEndStyle = "";
		            }
		            if (m.className) { spanStyle += " " + m.className; }
		            if (m.css) { css = (css ? css + ";" : "") + m.css; }
		            if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; }
		            if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }
		            // support for the old title property
		            // https://github.com/codemirror/CodeMirror/pull/5673
		            if (m.title) { (attributes || (attributes = {})).title = m.title; }
		            if (m.attributes) {
		              for (var attr in m.attributes)
		                { (attributes || (attributes = {}))[attr] = m.attributes[attr]; }
		            }
		            if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
		              { collapsed = sp; }
		          } else if (sp.from > pos && nextChange > sp.from) {
		            nextChange = sp.from;
		          }
		        }
		        if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)
		          { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } }

		        if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)
		          { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }
		        if (collapsed && (collapsed.from || 0) == pos) {
		          buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
		                             collapsed.marker, collapsed.from == null);
		          if (collapsed.to == null) { return }
		          if (collapsed.to == pos) { collapsed = false; }
		        }
		      }
		      if (pos >= len) { break }

		      var upto = Math.min(len, nextChange);
		      while (true) {
		        if (text) {
		          var end = pos + text.length;
		          if (!collapsed) {
		            var tokenText = end > upto ? text.slice(0, upto - pos) : text;
		            builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
		                             spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes);
		          }
		          if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
		          pos = end;
		          spanStartStyle = "";
		        }
		        text = allText.slice(at, at = styles[i++]);
		        style = interpretTokenStyle(styles[i++], builder.cm.options);
		      }
		    }
		  }


		  // These objects are used to represent the visible (currently drawn)
		  // part of the document. A LineView may correspond to multiple
		  // logical lines, if those are connected by collapsed ranges.
		  function LineView(doc, line, lineN) {
		    // The starting line
		    this.line = line;
		    // Continuing lines, if any
		    this.rest = visualLineContinued(line);
		    // Number of logical lines in this visual line
		    this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
		    this.node = this.text = null;
		    this.hidden = lineIsHidden(doc, line);
		  }

		  // Create a range of LineView objects for the given lines.
		  function buildViewArray(cm, from, to) {
		    var array = [], nextPos;
		    for (var pos = from; pos < to; pos = nextPos) {
		      var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
		      nextPos = pos + view.size;
		      array.push(view);
		    }
		    return array
		  }

		  var operationGroup = null;

		  function pushOperation(op) {
		    if (operationGroup) {
		      operationGroup.ops.push(op);
		    } else {
		      op.ownsGroup = operationGroup = {
		        ops: [op],
		        delayedCallbacks: []
		      };
		    }
		  }

		  function fireCallbacksForOps(group) {
		    // Calls delayed callbacks and cursorActivity handlers until no
		    // new ones appear
		    var callbacks = group.delayedCallbacks, i = 0;
		    do {
		      for (; i < callbacks.length; i++)
		        { callbacks[i].call(null); }
		      for (var j = 0; j < group.ops.length; j++) {
		        var op = group.ops[j];
		        if (op.cursorActivityHandlers)
		          { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
		            { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }
		      }
		    } while (i < callbacks.length)
		  }

		  function finishOperation(op, endCb) {
		    var group = op.ownsGroup;
		    if (!group) { return }

		    try { fireCallbacksForOps(group); }
		    finally {
		      operationGroup = null;
		      endCb(group);
		    }
		  }

		  var orphanDelayedCallbacks = null;

		  // Often, we want to signal events at a point where we are in the
		  // middle of some work, but don't want the handler to start calling
		  // other methods on the editor, which might be in an inconsistent
		  // state or simply not expect any other events to happen.
		  // signalLater looks whether there are any handlers, and schedules
		  // them to be executed when the last operation ends, or, if no
		  // operation is active, when a timeout fires.
		  function signalLater(emitter, type /*, values...*/) {
		    var arr = getHandlers(emitter, type);
		    if (!arr.length) { return }
		    var args = Array.prototype.slice.call(arguments, 2), list;
		    if (operationGroup) {
		      list = operationGroup.delayedCallbacks;
		    } else if (orphanDelayedCallbacks) {
		      list = orphanDelayedCallbacks;
		    } else {
		      list = orphanDelayedCallbacks = [];
		      setTimeout(fireOrphanDelayed, 0);
		    }
		    var loop = function ( i ) {
		      list.push(function () { return arr[i].apply(null, args); });
		    };

		    for (var i = 0; i < arr.length; ++i)
		      loop( i );
		  }

		  function fireOrphanDelayed() {
		    var delayed = orphanDelayedCallbacks;
		    orphanDelayedCallbacks = null;
		    for (var i = 0; i < delayed.length; ++i) { delayed[i](); }
		  }

		  // When an aspect of a line changes, a string is added to
		  // lineView.changes. This updates the relevant part of the line's
		  // DOM structure.
		  function updateLineForChanges(cm, lineView, lineN, dims) {
		    for (var j = 0; j < lineView.changes.length; j++) {
		      var type = lineView.changes[j];
		      if (type == "text") { updateLineText(cm, lineView); }
		      else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); }
		      else if (type == "class") { updateLineClasses(cm, lineView); }
		      else if (type == "widget") { updateLineWidgets(cm, lineView, dims); }
		    }
		    lineView.changes = null;
		  }

		  // Lines with gutter elements, widgets or a background class need to
		  // be wrapped, and have the extra elements added to the wrapper div
		  function ensureLineWrapped(lineView) {
		    if (lineView.node == lineView.text) {
		      lineView.node = elt("div", null, null, "position: relative");
		      if (lineView.text.parentNode)
		        { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }
		      lineView.node.appendChild(lineView.text);
		      if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }
		    }
		    return lineView.node
		  }

		  function updateLineBackground(cm, lineView) {
		    var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
		    if (cls) { cls += " CodeMirror-linebackground"; }
		    if (lineView.background) {
		      if (cls) { lineView.background.className = cls; }
		      else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
		    } else if (cls) {
		      var wrap = ensureLineWrapped(lineView);
		      lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
		      cm.display.input.setUneditable(lineView.background);
		    }
		  }

		  // Wrapper around buildLineContent which will reuse the structure
		  // in display.externalMeasured when possible.
		  function getLineContent(cm, lineView) {
		    var ext = cm.display.externalMeasured;
		    if (ext && ext.line == lineView.line) {
		      cm.display.externalMeasured = null;
		      lineView.measure = ext.measure;
		      return ext.built
		    }
		    return buildLineContent(cm, lineView)
		  }

		  // Redraw the line's text. Interacts with the background and text
		  // classes because the mode may output tokens that influence these
		  // classes.
		  function updateLineText(cm, lineView) {
		    var cls = lineView.text.className;
		    var built = getLineContent(cm, lineView);
		    if (lineView.text == lineView.node) { lineView.node = built.pre; }
		    lineView.text.parentNode.replaceChild(built.pre, lineView.text);
		    lineView.text = built.pre;
		    if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
		      lineView.bgClass = built.bgClass;
		      lineView.textClass = built.textClass;
		      updateLineClasses(cm, lineView);
		    } else if (cls) {
		      lineView.text.className = cls;
		    }
		  }

		  function updateLineClasses(cm, lineView) {
		    updateLineBackground(cm, lineView);
		    if (lineView.line.wrapClass)
		      { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }
		    else if (lineView.node != lineView.text)
		      { lineView.node.className = ""; }
		    var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
		    lineView.text.className = textClass || "";
		  }

		  function updateLineGutter(cm, lineView, lineN, dims) {
		    if (lineView.gutter) {
		      lineView.node.removeChild(lineView.gutter);
		      lineView.gutter = null;
		    }
		    if (lineView.gutterBackground) {
		      lineView.node.removeChild(lineView.gutterBackground);
		      lineView.gutterBackground = null;
		    }
		    if (lineView.line.gutterClass) {
		      var wrap = ensureLineWrapped(lineView);
		      lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
		                                      ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"));
		      cm.display.input.setUneditable(lineView.gutterBackground);
		      wrap.insertBefore(lineView.gutterBackground, lineView.text);
		    }
		    var markers = lineView.line.gutterMarkers;
		    if (cm.options.lineNumbers || markers) {
		      var wrap$1 = ensureLineWrapped(lineView);
		      var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"));
		      gutterWrap.setAttribute("aria-hidden", "true");
		      cm.display.input.setUneditable(gutterWrap);
		      wrap$1.insertBefore(gutterWrap, lineView.text);
		      if (lineView.line.gutterClass)
		        { gutterWrap.className += " " + lineView.line.gutterClass; }
		      if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
		        { lineView.lineNumber = gutterWrap.appendChild(
		          elt("div", lineNumberFor(cm.options, lineN),
		              "CodeMirror-linenumber CodeMirror-gutter-elt",
		              ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); }
		      if (markers) { for (var k = 0; k < cm.display.gutterSpecs.length; ++k) {
		        var id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id];
		        if (found)
		          { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",
		                                     ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); }
		      } }
		    }
		  }

		  function updateLineWidgets(cm, lineView, dims) {
		    if (lineView.alignable) { lineView.alignable = null; }
		    var isWidget = classTest("CodeMirror-linewidget");
		    for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {
		      next = node.nextSibling;
		      if (isWidget.test(node.className)) { lineView.node.removeChild(node); }
		    }
		    insertLineWidgets(cm, lineView, dims);
		  }

		  // Build a line's DOM representation from scratch
		  function buildLineElement(cm, lineView, lineN, dims) {
		    var built = getLineContent(cm, lineView);
		    lineView.text = lineView.node = built.pre;
		    if (built.bgClass) { lineView.bgClass = built.bgClass; }
		    if (built.textClass) { lineView.textClass = built.textClass; }

		    updateLineClasses(cm, lineView);
		    updateLineGutter(cm, lineView, lineN, dims);
		    insertLineWidgets(cm, lineView, dims);
		    return lineView.node
		  }

		  // A lineView may contain multiple logical lines (when merged by
		  // collapsed spans). The widgets for all of them need to be drawn.
		  function insertLineWidgets(cm, lineView, dims) {
		    insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
		    if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
		      { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }
		  }

		  function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
		    if (!line.widgets) { return }
		    var wrap = ensureLineWrapped(lineView);
		    for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
		      var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget" + (widget.className ? " " + widget.className : ""));
		      if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); }
		      positionLineWidget(widget, node, lineView, dims);
		      cm.display.input.setUneditable(node);
		      if (allowAbove && widget.above)
		        { wrap.insertBefore(node, lineView.gutter || lineView.text); }
		      else
		        { wrap.appendChild(node); }
		      signalLater(widget, "redraw");
		    }
		  }

		  function positionLineWidget(widget, node, lineView, dims) {
		    if (widget.noHScroll) {
		  (lineView.alignable || (lineView.alignable = [])).push(node);
		      var width = dims.wrapperWidth;
		      node.style.left = dims.fixedPos + "px";
		      if (!widget.coverGutter) {
		        width -= dims.gutterTotalWidth;
		        node.style.paddingLeft = dims.gutterTotalWidth + "px";
		      }
		      node.style.width = width + "px";
		    }
		    if (widget.coverGutter) {
		      node.style.zIndex = 5;
		      node.style.position = "relative";
		      if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; }
		    }
		  }

		  function widgetHeight(widget) {
		    if (widget.height != null) { return widget.height }
		    var cm = widget.doc.cm;
		    if (!cm) { return 0 }
		    if (!contains(document.body, widget.node)) {
		      var parentStyle = "position: relative;";
		      if (widget.coverGutter)
		        { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; }
		      if (widget.noHScroll)
		        { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; }
		      removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
		    }
		    return widget.height = widget.node.parentNode.offsetHeight
		  }

		  // Return true when the given mouse event happened in a widget
		  function eventInWidget(display, e) {
		    for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
		      if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
		          (n.parentNode == display.sizer && n != display.mover))
		        { return true }
		    }
		  }

		  // POSITION MEASUREMENT

		  function paddingTop(display) {return display.lineSpace.offsetTop}
		  function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}
		  function paddingH(display) {
		    if (display.cachedPaddingH) { return display.cachedPaddingH }
		    var e = removeChildrenAndAdd(display.measure, elt("pre", "x", "CodeMirror-line-like"));
		    var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
		    var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
		    if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }
		    return data
		  }

		  function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }
		  function displayWidth(cm) {
		    return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth
		  }
		  function displayHeight(cm) {
		    return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight
		  }

		  // Ensure the lineView.wrapping.heights array is populated. This is
		  // an array of bottom offsets for the lines that make up a drawn
		  // line. When lineWrapping is on, there might be more than one
		  // height.
		  function ensureLineHeights(cm, lineView, rect) {
		    var wrapping = cm.options.lineWrapping;
		    var curWidth = wrapping && displayWidth(cm);
		    if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
		      var heights = lineView.measure.heights = [];
		      if (wrapping) {
		        lineView.measure.width = curWidth;
		        var rects = lineView.text.firstChild.getClientRects();
		        for (var i = 0; i < rects.length - 1; i++) {
		          var cur = rects[i], next = rects[i + 1];
		          if (Math.abs(cur.bottom - next.bottom) > 2)
		            { heights.push((cur.bottom + next.top) / 2 - rect.top); }
		        }
		      }
		      heights.push(rect.bottom - rect.top);
		    }
		  }

		  // Find a line map (mapping character offsets to text nodes) and a
		  // measurement cache for the given line number. (A line view might
		  // contain multiple lines when collapsed ranges are present.)
		  function mapFromLineView(lineView, line, lineN) {
		    if (lineView.line == line)
		      { return {map: lineView.measure.map, cache: lineView.measure.cache} }
		    if (lineView.rest) {
		      for (var i = 0; i < lineView.rest.length; i++)
		        { if (lineView.rest[i] == line)
		          { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }
		      for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)
		        { if (lineNo(lineView.rest[i$1]) > lineN)
		          { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }
		    }
		  }

		  // Render a line into the hidden node display.externalMeasured. Used
		  // when measurement is needed for a line that's not in the viewport.
		  function updateExternalMeasurement(cm, line) {
		    line = visualLine(line);
		    var lineN = lineNo(line);
		    var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
		    view.lineN = lineN;
		    var built = view.built = buildLineContent(cm, view);
		    view.text = built.pre;
		    removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
		    return view
		  }

		  // Get a {top, bottom, left, right} box (in line-local coordinates)
		  // for a given character.
		  function measureChar(cm, line, ch, bias) {
		    return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)
		  }

		  // Find a line view that corresponds to the given line number.
		  function findViewForLine(cm, lineN) {
		    if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
		      { return cm.display.view[findViewIndex(cm, lineN)] }
		    var ext = cm.display.externalMeasured;
		    if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
		      { return ext }
		  }

		  // Measurement can be split in two steps, the set-up work that
		  // applies to the whole line, and the measurement of the actual
		  // character. Functions like coordsChar, that need to do a lot of
		  // measurements in a row, can thus ensure that the set-up work is
		  // only done once.
		  function prepareMeasureForLine(cm, line) {
		    var lineN = lineNo(line);
		    var view = findViewForLine(cm, lineN);
		    if (view && !view.text) {
		      view = null;
		    } else if (view && view.changes) {
		      updateLineForChanges(cm, view, lineN, getDimensions(cm));
		      cm.curOp.forceUpdate = true;
		    }
		    if (!view)
		      { view = updateExternalMeasurement(cm, line); }

		    var info = mapFromLineView(view, line, lineN);
		    return {
		      line: line, view: view, rect: null,
		      map: info.map, cache: info.cache, before: info.before,
		      hasHeights: false
		    }
		  }

		  // Given a prepared measurement object, measures the position of an
		  // actual character (or fetches it from the cache).
		  function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
		    if (prepared.before) { ch = -1; }
		    var key = ch + (bias || ""), found;
		    if (prepared.cache.hasOwnProperty(key)) {
		      found = prepared.cache[key];
		    } else {
		      if (!prepared.rect)
		        { prepared.rect = prepared.view.text.getBoundingClientRect(); }
		      if (!prepared.hasHeights) {
		        ensureLineHeights(cm, prepared.view, prepared.rect);
		        prepared.hasHeights = true;
		      }
		      found = measureCharInner(cm, prepared, ch, bias);
		      if (!found.bogus) { prepared.cache[key] = found; }
		    }
		    return {left: found.left, right: found.right,
		            top: varHeight ? found.rtop : found.top,
		            bottom: varHeight ? found.rbottom : found.bottom}
		  }

		  var nullRect = {left: 0, right: 0, top: 0, bottom: 0};

		  function nodeAndOffsetInLineMap(map, ch, bias) {
		    var node, start, end, collapse, mStart, mEnd;
		    // First, search the line map for the text node corresponding to,
		    // or closest to, the target character.
		    for (var i = 0; i < map.length; i += 3) {
		      mStart = map[i];
		      mEnd = map[i + 1];
		      if (ch < mStart) {
		        start = 0; end = 1;
		        collapse = "left";
		      } else if (ch < mEnd) {
		        start = ch - mStart;
		        end = start + 1;
		      } else if (i == map.length - 3 || ch == mEnd && map[i + 3] > ch) {
		        end = mEnd - mStart;
		        start = end - 1;
		        if (ch >= mEnd) { collapse = "right"; }
		      }
		      if (start != null) {
		        node = map[i + 2];
		        if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
		          { collapse = bias; }
		        if (bias == "left" && start == 0)
		          { while (i && map[i - 2] == map[i - 3] && map[i - 1].insertLeft) {
		            node = map[(i -= 3) + 2];
		            collapse = "left";
		          } }
		        if (bias == "right" && start == mEnd - mStart)
		          { while (i < map.length - 3 && map[i + 3] == map[i + 4] && !map[i + 5].insertLeft) {
		            node = map[(i += 3) + 2];
		            collapse = "right";
		          } }
		        break
		      }
		    }
		    return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}
		  }

		  function getUsefulRect(rects, bias) {
		    var rect = nullRect;
		    if (bias == "left") { for (var i = 0; i < rects.length; i++) {
		      if ((rect = rects[i]).left != rect.right) { break }
		    } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {
		      if ((rect = rects[i$1]).left != rect.right) { break }
		    } }
		    return rect
		  }

		  function measureCharInner(cm, prepared, ch, bias) {
		    var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
		    var node = place.node, start = place.start, end = place.end, collapse = place.collapse;

		    var rect;
		    if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
		      for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned
		        while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }
		        while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }
		        if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
		          { rect = node.parentNode.getBoundingClientRect(); }
		        else
		          { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }
		        if (rect.left || rect.right || start == 0) { break }
		        end = start;
		        start = start - 1;
		        collapse = "right";
		      }
		      if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }
		    } else { // If it is a widget, simply get the box for the whole widget.
		      if (start > 0) { collapse = bias = "right"; }
		      var rects;
		      if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
		        { rect = rects[bias == "right" ? rects.length - 1 : 0]; }
		      else
		        { rect = node.getBoundingClientRect(); }
		    }
		    if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
		      var rSpan = node.parentNode.getClientRects()[0];
		      if (rSpan)
		        { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }
		      else
		        { rect = nullRect; }
		    }

		    var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
		    var mid = (rtop + rbot) / 2;
		    var heights = prepared.view.measure.heights;
		    var i = 0;
		    for (; i < heights.length - 1; i++)
		      { if (mid < heights[i]) { break } }
		    var top = i ? heights[i - 1] : 0, bot = heights[i];
		    var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
		                  right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
		                  top: top, bottom: bot};
		    if (!rect.left && !rect.right) { result.bogus = true; }
		    if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }

		    return result
		  }

		  // Work around problem with bounding client rects on ranges being
		  // returned incorrectly when zoomed on IE10 and below.
		  function maybeUpdateRectForZooming(measure, rect) {
		    if (!window.screen || screen.logicalXDPI == null ||
		        screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
		      { return rect }
		    var scaleX = screen.logicalXDPI / screen.deviceXDPI;
		    var scaleY = screen.logicalYDPI / screen.deviceYDPI;
		    return {left: rect.left * scaleX, right: rect.right * scaleX,
		            top: rect.top * scaleY, bottom: rect.bottom * scaleY}
		  }

		  function clearLineMeasurementCacheFor(lineView) {
		    if (lineView.measure) {
		      lineView.measure.cache = {};
		      lineView.measure.heights = null;
		      if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
		        { lineView.measure.caches[i] = {}; } }
		    }
		  }

		  function clearLineMeasurementCache(cm) {
		    cm.display.externalMeasure = null;
		    removeChildren(cm.display.lineMeasure);
		    for (var i = 0; i < cm.display.view.length; i++)
		      { clearLineMeasurementCacheFor(cm.display.view[i]); }
		  }

		  function clearCaches(cm) {
		    clearLineMeasurementCache(cm);
		    cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
		    if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }
		    cm.display.lineNumChars = null;
		  }

		  function pageScrollX(doc) {
		    // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206
		    // which causes page_Offset and bounding client rects to use
		    // different reference viewports and invalidate our calculations.
		    if (chrome && android) { return -(doc.body.getBoundingClientRect().left - parseInt(getComputedStyle(doc.body).marginLeft)) }
		    return doc.defaultView.pageXOffset || (doc.documentElement || doc.body).scrollLeft
		  }
		  function pageScrollY(doc) {
		    if (chrome && android) { return -(doc.body.getBoundingClientRect().top - parseInt(getComputedStyle(doc.body).marginTop)) }
		    return doc.defaultView.pageYOffset || (doc.documentElement || doc.body).scrollTop
		  }

		  function widgetTopHeight(lineObj) {
		    var ref = visualLine(lineObj);
		    var widgets = ref.widgets;
		    var height = 0;
		    if (widgets) { for (var i = 0; i < widgets.length; ++i) { if (widgets[i].above)
		      { height += widgetHeight(widgets[i]); } } }
		    return height
		  }

		  // Converts a {top, bottom, left, right} box from line-local
		  // coordinates into another coordinate system. Context may be one of
		  // "line", "div" (display.lineDiv), "local"./null (editor), "window",
		  // or "page".
		  function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
		    if (!includeWidgets) {
		      var height = widgetTopHeight(lineObj);
		      rect.top += height; rect.bottom += height;
		    }
		    if (context == "line") { return rect }
		    if (!context) { context = "local"; }
		    var yOff = heightAtLine(lineObj);
		    if (context == "local") { yOff += paddingTop(cm.display); }
		    else { yOff -= cm.display.viewOffset; }
		    if (context == "page" || context == "window") {
		      var lOff = cm.display.lineSpace.getBoundingClientRect();
		      yOff += lOff.top + (context == "window" ? 0 : pageScrollY(doc(cm)));
		      var xOff = lOff.left + (context == "window" ? 0 : pageScrollX(doc(cm)));
		      rect.left += xOff; rect.right += xOff;
		    }
		    rect.top += yOff; rect.bottom += yOff;
		    return rect
		  }

		  // Coverts a box from "div" coords to another coordinate system.
		  // Context may be "window", "page", "div", or "local"./null.
		  function fromCoordSystem(cm, coords, context) {
		    if (context == "div") { return coords }
		    var left = coords.left, top = coords.top;
		    // First move into "page" coordinate system
		    if (context == "page") {
		      left -= pageScrollX(doc(cm));
		      top -= pageScrollY(doc(cm));
		    } else if (context == "local" || !context) {
		      var localBox = cm.display.sizer.getBoundingClientRect();
		      left += localBox.left;
		      top += localBox.top;
		    }

		    var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
		    return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}
		  }

		  function charCoords(cm, pos, context, lineObj, bias) {
		    if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }
		    return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)
		  }

		  // Returns a box for a given cursor position, which may have an
		  // 'other' property containing the position of the secondary cursor
		  // on a bidi boundary.
		  // A cursor Pos(line, char, "before") is on the same visual line as `char - 1`
		  // and after `char - 1` in writing order of `char - 1`
		  // A cursor Pos(line, char, "after") is on the same visual line as `char`
		  // and before `char` in writing order of `char`
		  // Examples (upper-case letters are RTL, lower-case are LTR):
		  //     Pos(0, 1, ...)
		  //     before   after
		  // ab     a|b     a|b
		  // aB     a|B     aB|
		  // Ab     |Ab     A|b
		  // AB     B|A     B|A
		  // Every position after the last character on a line is considered to stick
		  // to the last character on the line.
		  function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
		    lineObj = lineObj || getLine(cm.doc, pos.line);
		    if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
		    function get(ch, right) {
		      var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
		      if (right) { m.left = m.right; } else { m.right = m.left; }
		      return intoCoordSystem(cm, lineObj, m, context)
		    }
		    var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;
		    if (ch >= lineObj.text.length) {
		      ch = lineObj.text.length;
		      sticky = "before";
		    } else if (ch <= 0) {
		      ch = 0;
		      sticky = "after";
		    }
		    if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }

		    function getBidi(ch, partPos, invert) {
		      var part = order[partPos], right = part.level == 1;
		      return get(invert ? ch - 1 : ch, right != invert)
		    }
		    var partPos = getBidiPartAt(order, ch, sticky);
		    var other = bidiOther;
		    var val = getBidi(ch, partPos, sticky == "before");
		    if (other != null) { val.other = getBidi(ch, other, sticky != "before"); }
		    return val
		  }

		  // Used to cheaply estimate the coordinates for a position. Used for
		  // intermediate scroll updates.
		  function estimateCoords(cm, pos) {
		    var left = 0;
		    pos = clipPos(cm.doc, pos);
		    if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }
		    var lineObj = getLine(cm.doc, pos.line);
		    var top = heightAtLine(lineObj) + paddingTop(cm.display);
		    return {left: left, right: left, top: top, bottom: top + lineObj.height}
		  }

		  // Positions returned by coordsChar contain some extra information.
		  // xRel is the relative x position of the input coordinates compared
		  // to the found position (so xRel > 0 means the coordinates are to
		  // the right of the character position, for example). When outside
		  // is true, that means the coordinates lie outside the line's
		  // vertical range.
		  function PosWithInfo(line, ch, sticky, outside, xRel) {
		    var pos = Pos(line, ch, sticky);
		    pos.xRel = xRel;
		    if (outside) { pos.outside = outside; }
		    return pos
		  }

		  // Compute the character position closest to the given coordinates.
		  // Input must be lineSpace-local ("div" coordinate system).
		  function coordsChar(cm, x, y) {
		    var doc = cm.doc;
		    y += cm.display.viewOffset;
		    if (y < 0) { return PosWithInfo(doc.first, 0, null, -1, -1) }
		    var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
		    if (lineN > last)
		      { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, 1, 1) }
		    if (x < 0) { x = 0; }

		    var lineObj = getLine(doc, lineN);
		    for (;;) {
		      var found = coordsCharInner(cm, lineObj, lineN, x, y);
		      var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 || found.outside > 0 ? 1 : 0));
		      if (!collapsed) { return found }
		      var rangeEnd = collapsed.find(1);
		      if (rangeEnd.line == lineN) { return rangeEnd }
		      lineObj = getLine(doc, lineN = rangeEnd.line);
		    }
		  }

		  function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
		    y -= widgetTopHeight(lineObj);
		    var end = lineObj.text.length;
		    var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);
		    end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);
		    return {begin: begin, end: end}
		  }

		  function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
		    if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
		    var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;
		    return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)
		  }

		  // Returns true if the given side of a box is after the given
		  // coordinates, in top-to-bottom, left-to-right order.
		  function boxIsAfter(box, x, y, left) {
		    return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x
		  }

		  function coordsCharInner(cm, lineObj, lineNo, x, y) {
		    // Move y into line-local coordinate space
		    y -= heightAtLine(lineObj);
		    var preparedMeasure = prepareMeasureForLine(cm, lineObj);
		    // When directly calling `measureCharPrepared`, we have to adjust
		    // for the widgets at this line.
		    var widgetHeight = widgetTopHeight(lineObj);
		    var begin = 0, end = lineObj.text.length, ltr = true;

		    var order = getOrder(lineObj, cm.doc.direction);
		    // If the line isn't plain left-to-right text, first figure out
		    // which bidi section the coordinates fall into.
		    if (order) {
		      var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)
		                   (cm, lineObj, lineNo, preparedMeasure, order, x, y);
		      ltr = part.level != 1;
		      // The awkward -1 offsets are needed because findFirst (called
		      // on these below) will treat its first bound as inclusive,
		      // second as exclusive, but we want to actually address the
		      // characters in the part's range
		      begin = ltr ? part.from : part.to - 1;
		      end = ltr ? part.to : part.from - 1;
		    }

		    // A binary search to find the first character whose bounding box
		    // starts after the coordinates. If we run across any whose box wrap
		    // the coordinates, store that.
		    var chAround = null, boxAround = null;
		    var ch = findFirst(function (ch) {
		      var box = measureCharPrepared(cm, preparedMeasure, ch);
		      box.top += widgetHeight; box.bottom += widgetHeight;
		      if (!boxIsAfter(box, x, y, false)) { return false }
		      if (box.top <= y && box.left <= x) {
		        chAround = ch;
		        boxAround = box;
		      }
		      return true
		    }, begin, end);

		    var baseX, sticky, outside = false;
		    // If a box around the coordinates was found, use that
		    if (boxAround) {
		      // Distinguish coordinates nearer to the left or right side of the box
		      var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;
		      ch = chAround + (atStart ? 0 : 1);
		      sticky = atStart ? "after" : "before";
		      baseX = atLeft ? boxAround.left : boxAround.right;
		    } else {
		      // (Adjust for extended bound, if necessary.)
		      if (!ltr && (ch == end || ch == begin)) { ch++; }
		      // To determine which side to associate with, get the box to the
		      // left of the character and compare it's vertical position to the
		      // coordinates
		      sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :
		        (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight <= y) == ltr ?
		        "after" : "before";
		      // Now get accurate coordinates for this place, in order to get a
		      // base X position
		      var coords = cursorCoords(cm, Pos(lineNo, ch, sticky), "line", lineObj, preparedMeasure);
		      baseX = coords.left;
		      outside = y < coords.top ? -1 : y >= coords.bottom ? 1 : 0;
		    }

		    ch = skipExtendingChars(lineObj.text, ch, 1);
		    return PosWithInfo(lineNo, ch, sticky, outside, x - baseX)
		  }

		  function coordsBidiPart(cm, lineObj, lineNo, preparedMeasure, order, x, y) {
		    // Bidi parts are sorted left-to-right, and in a non-line-wrapping
		    // situation, we can take this ordering to correspond to the visual
		    // ordering. This finds the first part whose end is after the given
		    // coordinates.
		    var index = findFirst(function (i) {
		      var part = order[i], ltr = part.level != 1;
		      return boxIsAfter(cursorCoords(cm, Pos(lineNo, ltr ? part.to : part.from, ltr ? "before" : "after"),
		                                     "line", lineObj, preparedMeasure), x, y, true)
		    }, 0, order.length - 1);
		    var part = order[index];
		    // If this isn't the first part, the part's start is also after
		    // the coordinates, and the coordinates aren't on the same line as
		    // that start, move one part back.
		    if (index > 0) {
		      var ltr = part.level != 1;
		      var start = cursorCoords(cm, Pos(lineNo, ltr ? part.from : part.to, ltr ? "after" : "before"),
		                               "line", lineObj, preparedMeasure);
		      if (boxIsAfter(start, x, y, true) && start.top > y)
		        { part = order[index - 1]; }
		    }
		    return part
		  }

		  function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {
		    // In a wrapped line, rtl text on wrapping boundaries can do things
		    // that don't correspond to the ordering in our `order` array at
		    // all, so a binary search doesn't work, and we want to return a
		    // part that only spans one line so that the binary search in
		    // coordsCharInner is safe. As such, we first find the extent of the
		    // wrapped line, and then do a flat search in which we discard any
		    // spans that aren't on the line.
		    var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);
		    var begin = ref.begin;
		    var end = ref.end;
		    if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; }
		    var part = null, closestDist = null;
		    for (var i = 0; i < order.length; i++) {
		      var p = order[i];
		      if (p.from >= end || p.to <= begin) { continue }
		      var ltr = p.level != 1;
		      var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;
		      // Weigh against spans ending before this, so that they are only
		      // picked if nothing ends after
		      var dist = endX < x ? x - endX + 1e9 : endX - x;
		      if (!part || closestDist > dist) {
		        part = p;
		        closestDist = dist;
		      }
		    }
		    if (!part) { part = order[order.length - 1]; }
		    // Clip the part to the wrapped line.
		    if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }
		    if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }
		    return part
		  }

		  var measureText;
		  // Compute the default text height.
		  function textHeight(display) {
		    if (display.cachedTextHeight != null) { return display.cachedTextHeight }
		    if (measureText == null) {
		      measureText = elt("pre", null, "CodeMirror-line-like");
		      // Measure a bunch of lines, for browsers that compute
		      // fractional heights.
		      for (var i = 0; i < 49; ++i) {
		        measureText.appendChild(document.createTextNode("x"));
		        measureText.appendChild(elt("br"));
		      }
		      measureText.appendChild(document.createTextNode("x"));
		    }
		    removeChildrenAndAdd(display.measure, measureText);
		    var height = measureText.offsetHeight / 50;
		    if (height > 3) { display.cachedTextHeight = height; }
		    removeChildren(display.measure);
		    return height || 1
		  }

		  // Compute the default character width.
		  function charWidth(display) {
		    if (display.cachedCharWidth != null) { return display.cachedCharWidth }
		    var anchor = elt("span", "xxxxxxxxxx");
		    var pre = elt("pre", [anchor], "CodeMirror-line-like");
		    removeChildrenAndAdd(display.measure, pre);
		    var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
		    if (width > 2) { display.cachedCharWidth = width; }
		    return width || 10
		  }

		  // Do a bulk-read of the DOM positions and sizes needed to draw the
		  // view, so that we don't interleave reading and writing to the DOM.
		  function getDimensions(cm) {
		    var d = cm.display, left = {}, width = {};
		    var gutterLeft = d.gutters.clientLeft;
		    for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
		      var id = cm.display.gutterSpecs[i].className;
		      left[id] = n.offsetLeft + n.clientLeft + gutterLeft;
		      width[id] = n.clientWidth;
		    }
		    return {fixedPos: compensateForHScroll(d),
		            gutterTotalWidth: d.gutters.offsetWidth,
		            gutterLeft: left,
		            gutterWidth: width,
		            wrapperWidth: d.wrapper.clientWidth}
		  }

		  // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
		  // but using getBoundingClientRect to get a sub-pixel-accurate
		  // result.
		  function compensateForHScroll(display) {
		    return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left
		  }

		  // Returns a function that estimates the height of a line, to use as
		  // first approximation until the line becomes visible (and is thus
		  // properly measurable).
		  function estimateHeight(cm) {
		    var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
		    var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
		    return function (line) {
		      if (lineIsHidden(cm.doc, line)) { return 0 }

		      var widgetsHeight = 0;
		      if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {
		        if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }
		      } }

		      if (wrapping)
		        { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }
		      else
		        { return widgetsHeight + th }
		    }
		  }

		  function estimateLineHeights(cm) {
		    var doc = cm.doc, est = estimateHeight(cm);
		    doc.iter(function (line) {
		      var estHeight = est(line);
		      if (estHeight != line.height) { updateLineHeight(line, estHeight); }
		    });
		  }

		  // Given a mouse event, find the corresponding position. If liberal
		  // is false, it checks whether a gutter or scrollbar was clicked,
		  // and returns null if it was. forRect is used by rectangular
		  // selections, and tries to estimate a character position even for
		  // coordinates beyond the right of the text.
		  function posFromMouse(cm, e, liberal, forRect) {
		    var display = cm.display;
		    if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }

		    var x, y, space = display.lineSpace.getBoundingClientRect();
		    // Fails unpredictably on IE[67] when mouse is dragged around quickly.
		    try { x = e.clientX - space.left; y = e.clientY - space.top; }
		    catch (e$1) { return null }
		    var coords = coordsChar(cm, x, y), line;
		    if (forRect && coords.xRel > 0 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
		      var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
		      coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
		    }
		    return coords
		  }

		  // Find the view element corresponding to a given line. Return null
		  // when the line isn't visible.
		  function findViewIndex(cm, n) {
		    if (n >= cm.display.viewTo) { return null }
		    n -= cm.display.viewFrom;
		    if (n < 0) { return null }
		    var view = cm.display.view;
		    for (var i = 0; i < view.length; i++) {
		      n -= view[i].size;
		      if (n < 0) { return i }
		    }
		  }

		  // Updates the display.view data structure for a given change to the
		  // document. From and to are in pre-change coordinates. Lendiff is
		  // the amount of lines added or subtracted by the change. This is
		  // used for changes that span multiple lines, or change the way
		  // lines are divided into visual lines. regLineChange (below)
		  // registers single-line changes.
		  function regChange(cm, from, to, lendiff) {
		    if (from == null) { from = cm.doc.first; }
		    if (to == null) { to = cm.doc.first + cm.doc.size; }
		    if (!lendiff) { lendiff = 0; }

		    var display = cm.display;
		    if (lendiff && to < display.viewTo &&
		        (display.updateLineNumbers == null || display.updateLineNumbers > from))
		      { display.updateLineNumbers = from; }

		    cm.curOp.viewChanged = true;

		    if (from >= display.viewTo) { // Change after
		      if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
		        { resetView(cm); }
		    } else if (to <= display.viewFrom) { // Change before
		      if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
		        resetView(cm);
		      } else {
		        display.viewFrom += lendiff;
		        display.viewTo += lendiff;
		      }
		    } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
		      resetView(cm);
		    } else if (from <= display.viewFrom) { // Top overlap
		      var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
		      if (cut) {
		        display.view = display.view.slice(cut.index);
		        display.viewFrom = cut.lineN;
		        display.viewTo += lendiff;
		      } else {
		        resetView(cm);
		      }
		    } else if (to >= display.viewTo) { // Bottom overlap
		      var cut$1 = viewCuttingPoint(cm, from, from, -1);
		      if (cut$1) {
		        display.view = display.view.slice(0, cut$1.index);
		        display.viewTo = cut$1.lineN;
		      } else {
		        resetView(cm);
		      }
		    } else { // Gap in the middle
		      var cutTop = viewCuttingPoint(cm, from, from, -1);
		      var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
		      if (cutTop && cutBot) {
		        display.view = display.view.slice(0, cutTop.index)
		          .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
		          .concat(display.view.slice(cutBot.index));
		        display.viewTo += lendiff;
		      } else {
		        resetView(cm);
		      }
		    }

		    var ext = display.externalMeasured;
		    if (ext) {
		      if (to < ext.lineN)
		        { ext.lineN += lendiff; }
		      else if (from < ext.lineN + ext.size)
		        { display.externalMeasured = null; }
		    }
		  }

		  // Register a change to a single line. Type must be one of "text",
		  // "gutter", "class", "widget"
		  function regLineChange(cm, line, type) {
		    cm.curOp.viewChanged = true;
		    var display = cm.display, ext = cm.display.externalMeasured;
		    if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
		      { display.externalMeasured = null; }

		    if (line < display.viewFrom || line >= display.viewTo) { return }
		    var lineView = display.view[findViewIndex(cm, line)];
		    if (lineView.node == null) { return }
		    var arr = lineView.changes || (lineView.changes = []);
		    if (indexOf(arr, type) == -1) { arr.push(type); }
		  }

		  // Clear the view.
		  function resetView(cm) {
		    cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
		    cm.display.view = [];
		    cm.display.viewOffset = 0;
		  }

		  function viewCuttingPoint(cm, oldN, newN, dir) {
		    var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
		    if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
		      { return {index: index, lineN: newN} }
		    var n = cm.display.viewFrom;
		    for (var i = 0; i < index; i++)
		      { n += view[i].size; }
		    if (n != oldN) {
		      if (dir > 0) {
		        if (index == view.length - 1) { return null }
		        diff = (n + view[index].size) - oldN;
		        index++;
		      } else {
		        diff = n - oldN;
		      }
		      oldN += diff; newN += diff;
		    }
		    while (visualLineNo(cm.doc, newN) != newN) {
		      if (index == (dir < 0 ? 0 : view.length - 1)) { return null }
		      newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
		      index += dir;
		    }
		    return {index: index, lineN: newN}
		  }

		  // Force the view to cover a given range, adding empty view element
		  // or clipping off existing ones as needed.
		  function adjustView(cm, from, to) {
		    var display = cm.display, view = display.view;
		    if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
		      display.view = buildViewArray(cm, from, to);
		      display.viewFrom = from;
		    } else {
		      if (display.viewFrom > from)
		        { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }
		      else if (display.viewFrom < from)
		        { display.view = display.view.slice(findViewIndex(cm, from)); }
		      display.viewFrom = from;
		      if (display.viewTo < to)
		        { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }
		      else if (display.viewTo > to)
		        { display.view = display.view.slice(0, findViewIndex(cm, to)); }
		    }
		    display.viewTo = to;
		  }

		  // Count the number of lines in the view whose DOM representation is
		  // out of date (or nonexistent).
		  function countDirtyView(cm) {
		    var view = cm.display.view, dirty = 0;
		    for (var i = 0; i < view.length; i++) {
		      var lineView = view[i];
		      if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }
		    }
		    return dirty
		  }

		  function updateSelection(cm) {
		    cm.display.input.showSelection(cm.display.input.prepareSelection());
		  }

		  function prepareSelection(cm, primary) {
		    if ( primary === void 0 ) primary = true;

		    var doc = cm.doc, result = {};
		    var curFragment = result.cursors = document.createDocumentFragment();
		    var selFragment = result.selection = document.createDocumentFragment();

		    var customCursor = cm.options.$customCursor;
		    if (customCursor) { primary = true; }
		    for (var i = 0; i < doc.sel.ranges.length; i++) {
		      if (!primary && i == doc.sel.primIndex) { continue }
		      var range = doc.sel.ranges[i];
		      if (range.from().line >= cm.display.viewTo || range.to().line < cm.display.viewFrom) { continue }
		      var collapsed = range.empty();
		      if (customCursor) {
		        var head = customCursor(cm, range);
		        if (head) { drawSelectionCursor(cm, head, curFragment); }
		      } else if (collapsed || cm.options.showCursorWhenSelecting) {
		        drawSelectionCursor(cm, range.head, curFragment);
		      }
		      if (!collapsed)
		        { drawSelectionRange(cm, range, selFragment); }
		    }
		    return result
		  }

		  // Draws a cursor for the given range
		  function drawSelectionCursor(cm, head, output) {
		    var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);

		    var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
		    cursor.style.left = pos.left + "px";
		    cursor.style.top = pos.top + "px";
		    cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";

		    if (/\bcm-fat-cursor\b/.test(cm.getWrapperElement().className)) {
		      var charPos = charCoords(cm, head, "div", null, null);
		      var width = charPos.right - charPos.left;
		      cursor.style.width = (width > 0 ? width : cm.defaultCharWidth()) + "px";
		    }

		    if (pos.other) {
		      // Secondary cursor, shown when on a 'jump' in bi-directional text
		      var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
		      otherCursor.style.display = "";
		      otherCursor.style.left = pos.other.left + "px";
		      otherCursor.style.top = pos.other.top + "px";
		      otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
		    }
		  }

		  function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }

		  // Draws the given range as a highlighted selection
		  function drawSelectionRange(cm, range, output) {
		    var display = cm.display, doc = cm.doc;
		    var fragment = document.createDocumentFragment();
		    var padding = paddingH(cm.display), leftSide = padding.left;
		    var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
		    var docLTR = doc.direction == "ltr";

		    function add(left, top, width, bottom) {
		      if (top < 0) { top = 0; }
		      top = Math.round(top);
		      bottom = Math.round(bottom);
		      fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n                             top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n                             height: " + (bottom - top) + "px")));
		    }

		    function drawForLine(line, fromArg, toArg) {
		      var lineObj = getLine(doc, line);
		      var lineLen = lineObj.text.length;
		      var start, end;
		      function coords(ch, bias) {
		        return charCoords(cm, Pos(line, ch), "div", lineObj, bias)
		      }

		      function wrapX(pos, dir, side) {
		        var extent = wrappedLineExtentChar(cm, lineObj, null, pos);
		        var prop = (dir == "ltr") == (side == "after") ? "left" : "right";
		        var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);
		        return coords(ch, prop)[prop]
		      }

		      var order = getOrder(lineObj, doc.direction);
		      iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {
		        var ltr = dir == "ltr";
		        var fromPos = coords(from, ltr ? "left" : "right");
		        var toPos = coords(to - 1, ltr ? "right" : "left");

		        var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;
		        var first = i == 0, last = !order || i == order.length - 1;
		        if (toPos.top - fromPos.top <= 3) { // Single line
		          var openLeft = (docLTR ? openStart : openEnd) && first;
		          var openRight = (docLTR ? openEnd : openStart) && last;
		          var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;
		          var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;
		          add(left, fromPos.top, right - left, fromPos.bottom);
		        } else { // Multiple lines
		          var topLeft, topRight, botLeft, botRight;
		          if (ltr) {
		            topLeft = docLTR && openStart && first ? leftSide : fromPos.left;
		            topRight = docLTR ? rightSide : wrapX(from, dir, "before");
		            botLeft = docLTR ? leftSide : wrapX(to, dir, "after");
		            botRight = docLTR && openEnd && last ? rightSide : toPos.right;
		          } else {
		            topLeft = !docLTR ? leftSide : wrapX(from, dir, "before");
		            topRight = !docLTR && openStart && first ? rightSide : fromPos.right;
		            botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;
		            botRight = !docLTR ? rightSide : wrapX(to, dir, "after");
		          }
		          add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);
		          if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }
		          add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);
		        }

		        if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }
		        if (cmpCoords(toPos, start) < 0) { start = toPos; }
		        if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }
		        if (cmpCoords(toPos, end) < 0) { end = toPos; }
		      });
		      return {start: start, end: end}
		    }

		    var sFrom = range.from(), sTo = range.to();
		    if (sFrom.line == sTo.line) {
		      drawForLine(sFrom.line, sFrom.ch, sTo.ch);
		    } else {
		      var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
		      var singleVLine = visualLine(fromLine) == visualLine(toLine);
		      var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
		      var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
		      if (singleVLine) {
		        if (leftEnd.top < rightStart.top - 2) {
		          add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
		          add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
		        } else {
		          add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
		        }
		      }
		      if (leftEnd.bottom < rightStart.top)
		        { add(leftSide, leftEnd.bottom, null, rightStart.top); }
		    }

		    output.appendChild(fragment);
		  }

		  // Cursor-blinking
		  function restartBlink(cm) {
		    if (!cm.state.focused) { return }
		    var display = cm.display;
		    clearInterval(display.blinker);
		    var on = true;
		    display.cursorDiv.style.visibility = "";
		    if (cm.options.cursorBlinkRate > 0)
		      { display.blinker = setInterval(function () {
		        if (!cm.hasFocus()) { onBlur(cm); }
		        display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden";
		      }, cm.options.cursorBlinkRate); }
		    else if (cm.options.cursorBlinkRate < 0)
		      { display.cursorDiv.style.visibility = "hidden"; }
		  }

		  function ensureFocus(cm) {
		    if (!cm.hasFocus()) {
		      cm.display.input.focus();
		      if (!cm.state.focused) { onFocus(cm); }
		    }
		  }

		  function delayBlurEvent(cm) {
		    cm.state.delayingBlurEvent = true;
		    setTimeout(function () { if (cm.state.delayingBlurEvent) {
		      cm.state.delayingBlurEvent = false;
		      if (cm.state.focused) { onBlur(cm); }
		    } }, 100);
		  }

		  function onFocus(cm, e) {
		    if (cm.state.delayingBlurEvent && !cm.state.draggingText) { cm.state.delayingBlurEvent = false; }

		    if (cm.options.readOnly == "nocursor") { return }
		    if (!cm.state.focused) {
		      signal(cm, "focus", cm, e);
		      cm.state.focused = true;
		      addClass(cm.display.wrapper, "CodeMirror-focused");
		      // This test prevents this from firing when a context
		      // menu is closed (since the input reset would kill the
		      // select-all detection hack)
		      if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
		        cm.display.input.reset();
		        if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730
		      }
		      cm.display.input.receivedFocus();
		    }
		    restartBlink(cm);
		  }
		  function onBlur(cm, e) {
		    if (cm.state.delayingBlurEvent) { return }

		    if (cm.state.focused) {
		      signal(cm, "blur", cm, e);
		      cm.state.focused = false;
		      rmClass(cm.display.wrapper, "CodeMirror-focused");
		    }
		    clearInterval(cm.display.blinker);
		    setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);
		  }

		  // Read the actual heights of the rendered lines, and update their
		  // stored heights to match.
		  function updateHeightsInViewport(cm) {
		    var display = cm.display;
		    var prevBottom = display.lineDiv.offsetTop;
		    var viewTop = Math.max(0, display.scroller.getBoundingClientRect().top);
		    var oldHeight = display.lineDiv.getBoundingClientRect().top;
		    var mustScroll = 0;
		    for (var i = 0; i < display.view.length; i++) {
		      var cur = display.view[i], wrapping = cm.options.lineWrapping;
		      var height = (void 0), width = 0;
		      if (cur.hidden) { continue }
		      oldHeight += cur.line.height;
		      if (ie && ie_version < 8) {
		        var bot = cur.node.offsetTop + cur.node.offsetHeight;
		        height = bot - prevBottom;
		        prevBottom = bot;
		      } else {
		        var box = cur.node.getBoundingClientRect();
		        height = box.bottom - box.top;
		        // Check that lines don't extend past the right of the current
		        // editor width
		        if (!wrapping && cur.text.firstChild)
		          { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; }
		      }
		      var diff = cur.line.height - height;
		      if (diff > .005 || diff < -5e-3) {
		        if (oldHeight < viewTop) { mustScroll -= diff; }
		        updateLineHeight(cur.line, height);
		        updateWidgetHeight(cur.line);
		        if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)
		          { updateWidgetHeight(cur.rest[j]); } }
		      }
		      if (width > cm.display.sizerWidth) {
		        var chWidth = Math.ceil(width / charWidth(cm.display));
		        if (chWidth > cm.display.maxLineLength) {
		          cm.display.maxLineLength = chWidth;
		          cm.display.maxLine = cur.line;
		          cm.display.maxLineChanged = true;
		        }
		      }
		    }
		    if (Math.abs(mustScroll) > 2) { display.scroller.scrollTop += mustScroll; }
		  }

		  // Read and store the height of line widgets associated with the
		  // given line.
		  function updateWidgetHeight(line) {
		    if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) {
		      var w = line.widgets[i], parent = w.node.parentNode;
		      if (parent) { w.height = parent.offsetHeight; }
		    } }
		  }

		  // Compute the lines that are visible in a given viewport (defaults
		  // the current scroll position). viewport may contain top,
		  // height, and ensure (see op.scrollToPos) properties.
		  function visibleLines(display, doc, viewport) {
		    var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
		    top = Math.floor(top - paddingTop(display));
		    var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;

		    var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
		    // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
		    // forces those lines into the viewport (if possible).
		    if (viewport && viewport.ensure) {
		      var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
		      if (ensureFrom < from) {
		        from = ensureFrom;
		        to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
		      } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
		        from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
		        to = ensureTo;
		      }
		    }
		    return {from: from, to: Math.max(to, from + 1)}
		  }

		  // SCROLLING THINGS INTO VIEW

		  // If an editor sits on the top or bottom of the window, partially
		  // scrolled out of view, this ensures that the cursor is visible.
		  function maybeScrollWindow(cm, rect) {
		    if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }

		    var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
		    var doc = display.wrapper.ownerDocument;
		    if (rect.top + box.top < 0) { doScroll = true; }
		    else if (rect.bottom + box.top > (doc.defaultView.innerHeight || doc.documentElement.clientHeight)) { doScroll = false; }
		    if (doScroll != null && !phantom) {
		      var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n                         top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n                         height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n                         left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"));
		      cm.display.lineSpace.appendChild(scrollNode);
		      scrollNode.scrollIntoView(doScroll);
		      cm.display.lineSpace.removeChild(scrollNode);
		    }
		  }

		  // Scroll a given position into view (immediately), verifying that
		  // it actually became visible (as line heights are accurately
		  // measured, the position of something may 'drift' during drawing).
		  function scrollPosIntoView(cm, pos, end, margin) {
		    if (margin == null) { margin = 0; }
		    var rect;
		    if (!cm.options.lineWrapping && pos == end) {
		      // Set pos and end to the cursor positions around the character pos sticks to
		      // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch
		      // If pos == Pos(_, 0, "before"), pos and end are unchanged
		      end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;
		      pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;
		    }
		    for (var limit = 0; limit < 5; limit++) {
		      var changed = false;
		      var coords = cursorCoords(cm, pos);
		      var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
		      rect = {left: Math.min(coords.left, endCoords.left),
		              top: Math.min(coords.top, endCoords.top) - margin,
		              right: Math.max(coords.left, endCoords.left),
		              bottom: Math.max(coords.bottom, endCoords.bottom) + margin};
		      var scrollPos = calculateScrollPos(cm, rect);
		      var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
		      if (scrollPos.scrollTop != null) {
		        updateScrollTop(cm, scrollPos.scrollTop);
		        if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }
		      }
		      if (scrollPos.scrollLeft != null) {
		        setScrollLeft(cm, scrollPos.scrollLeft);
		        if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }
		      }
		      if (!changed) { break }
		    }
		    return rect
		  }

		  // Scroll a given set of coordinates into view (immediately).
		  function scrollIntoView(cm, rect) {
		    var scrollPos = calculateScrollPos(cm, rect);
		    if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }
		    if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }
		  }

		  // Calculate a new scroll position needed to scroll the given
		  // rectangle into view. Returns an object with scrollTop and
		  // scrollLeft properties. When these are undefined, the
		  // vertical/horizontal position does not need to be adjusted.
		  function calculateScrollPos(cm, rect) {
		    var display = cm.display, snapMargin = textHeight(cm.display);
		    if (rect.top < 0) { rect.top = 0; }
		    var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
		    var screen = displayHeight(cm), result = {};
		    if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }
		    var docBottom = cm.doc.height + paddingVert(display);
		    var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;
		    if (rect.top < screentop) {
		      result.scrollTop = atTop ? 0 : rect.top;
		    } else if (rect.bottom > screentop + screen) {
		      var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);
		      if (newTop != screentop) { result.scrollTop = newTop; }
		    }

		    var gutterSpace = cm.options.fixedGutter ? 0 : display.gutters.offsetWidth;
		    var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft - gutterSpace;
		    var screenw = displayWidth(cm) - display.gutters.offsetWidth;
		    var tooWide = rect.right - rect.left > screenw;
		    if (tooWide) { rect.right = rect.left + screenw; }
		    if (rect.left < 10)
		      { result.scrollLeft = 0; }
		    else if (rect.left < screenleft)
		      { result.scrollLeft = Math.max(0, rect.left + gutterSpace - (tooWide ? 0 : 10)); }
		    else if (rect.right > screenw + screenleft - 3)
		      { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }
		    return result
		  }

		  // Store a relative adjustment to the scroll position in the current
		  // operation (to be applied when the operation finishes).
		  function addToScrollTop(cm, top) {
		    if (top == null) { return }
		    resolveScrollToPos(cm);
		    cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
		  }

		  // Make sure that at the end of the operation the current cursor is
		  // shown.
		  function ensureCursorVisible(cm) {
		    resolveScrollToPos(cm);
		    var cur = cm.getCursor();
		    cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};
		  }

		  function scrollToCoords(cm, x, y) {
		    if (x != null || y != null) { resolveScrollToPos(cm); }
		    if (x != null) { cm.curOp.scrollLeft = x; }
		    if (y != null) { cm.curOp.scrollTop = y; }
		  }

		  function scrollToRange(cm, range) {
		    resolveScrollToPos(cm);
		    cm.curOp.scrollToPos = range;
		  }

		  // When an operation has its scrollToPos property set, and another
		  // scroll action is applied before the end of the operation, this
		  // 'simulates' scrolling that position into view in a cheap way, so
		  // that the effect of intermediate scroll commands is not ignored.
		  function resolveScrollToPos(cm) {
		    var range = cm.curOp.scrollToPos;
		    if (range) {
		      cm.curOp.scrollToPos = null;
		      var from = estimateCoords(cm, range.from), to = estimateCoords(cm, range.to);
		      scrollToCoordsRange(cm, from, to, range.margin);
		    }
		  }

		  function scrollToCoordsRange(cm, from, to, margin) {
		    var sPos = calculateScrollPos(cm, {
		      left: Math.min(from.left, to.left),
		      top: Math.min(from.top, to.top) - margin,
		      right: Math.max(from.right, to.right),
		      bottom: Math.max(from.bottom, to.bottom) + margin
		    });
		    scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);
		  }

		  // Sync the scrollable area and scrollbars, ensure the viewport
		  // covers the visible area.
		  function updateScrollTop(cm, val) {
		    if (Math.abs(cm.doc.scrollTop - val) < 2) { return }
		    if (!gecko) { updateDisplaySimple(cm, {top: val}); }
		    setScrollTop(cm, val, true);
		    if (gecko) { updateDisplaySimple(cm); }
		    startWorker(cm, 100);
		  }

		  function setScrollTop(cm, val, forceScroll) {
		    val = Math.max(0, Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val));
		    if (cm.display.scroller.scrollTop == val && !forceScroll) { return }
		    cm.doc.scrollTop = val;
		    cm.display.scrollbars.setScrollTop(val);
		    if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }
		  }

		  // Sync scroller and scrollbar, ensure the gutter elements are
		  // aligned.
		  function setScrollLeft(cm, val, isScroller, forceScroll) {
		    val = Math.max(0, Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth));
		    if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }
		    cm.doc.scrollLeft = val;
		    alignHorizontally(cm);
		    if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }
		    cm.display.scrollbars.setScrollLeft(val);
		  }

		  // SCROLLBARS

		  // Prepare DOM reads needed to update the scrollbars. Done in one
		  // shot to minimize update/measure roundtrips.
		  function measureForScrollbars(cm) {
		    var d = cm.display, gutterW = d.gutters.offsetWidth;
		    var docH = Math.round(cm.doc.height + paddingVert(cm.display));
		    return {
		      clientHeight: d.scroller.clientHeight,
		      viewHeight: d.wrapper.clientHeight,
		      scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
		      viewWidth: d.wrapper.clientWidth,
		      barLeft: cm.options.fixedGutter ? gutterW : 0,
		      docHeight: docH,
		      scrollHeight: docH + scrollGap(cm) + d.barHeight,
		      nativeBarWidth: d.nativeBarWidth,
		      gutterWidth: gutterW
		    }
		  }

		  var NativeScrollbars = function(place, scroll, cm) {
		    this.cm = cm;
		    var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
		    var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
		    vert.tabIndex = horiz.tabIndex = -1;
		    place(vert); place(horiz);

		    on(vert, "scroll", function () {
		      if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); }
		    });
		    on(horiz, "scroll", function () {
		      if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); }
		    });

		    this.checkedZeroWidth = false;
		    // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
		    if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; }
		  };

		  NativeScrollbars.prototype.update = function (measure) {
		    var needsH = measure.scrollWidth > measure.clientWidth + 1;
		    var needsV = measure.scrollHeight > measure.clientHeight + 1;
		    var sWidth = measure.nativeBarWidth;

		    if (needsV) {
		      this.vert.style.display = "block";
		      this.vert.style.bottom = needsH ? sWidth + "px" : "0";
		      var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
		      // A bug in IE8 can cause this value to be negative, so guard it.
		      this.vert.firstChild.style.height =
		        Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
		    } else {
		      this.vert.scrollTop = 0;
		      this.vert.style.display = "";
		      this.vert.firstChild.style.height = "0";
		    }

		    if (needsH) {
		      this.horiz.style.display = "block";
		      this.horiz.style.right = needsV ? sWidth + "px" : "0";
		      this.horiz.style.left = measure.barLeft + "px";
		      var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
		      this.horiz.firstChild.style.width =
		        Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
		    } else {
		      this.horiz.style.display = "";
		      this.horiz.firstChild.style.width = "0";
		    }

		    if (!this.checkedZeroWidth && measure.clientHeight > 0) {
		      if (sWidth == 0) { this.zeroWidthHack(); }
		      this.checkedZeroWidth = true;
		    }

		    return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}
		  };

		  NativeScrollbars.prototype.setScrollLeft = function (pos) {
		    if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }
		    if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); }
		  };

		  NativeScrollbars.prototype.setScrollTop = function (pos) {
		    if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }
		    if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); }
		  };

		  NativeScrollbars.prototype.zeroWidthHack = function () {
		    var w = mac && !mac_geMountainLion ? "12px" : "18px";
		    this.horiz.style.height = this.vert.style.width = w;
		    this.horiz.style.visibility = this.vert.style.visibility = "hidden";
		    this.disableHoriz = new Delayed;
		    this.disableVert = new Delayed;
		  };

		  NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {
		    bar.style.visibility = "";
		    function maybeDisable() {
		      // To find out whether the scrollbar is still visible, we
		      // check whether the element under the pixel in the bottom
		      // right corner of the scrollbar box is the scrollbar box
		      // itself (when the bar is still visible) or its filler child
		      // (when the bar is hidden). If it is still visible, we keep
		      // it enabled, if it's hidden, we disable pointer events.
		      var box = bar.getBoundingClientRect();
		      var elt = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)
		          : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);
		      if (elt != bar) { bar.style.visibility = "hidden"; }
		      else { delay.set(1000, maybeDisable); }
		    }
		    delay.set(1000, maybeDisable);
		  };

		  NativeScrollbars.prototype.clear = function () {
		    var parent = this.horiz.parentNode;
		    parent.removeChild(this.horiz);
		    parent.removeChild(this.vert);
		  };

		  var NullScrollbars = function () {};

		  NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };
		  NullScrollbars.prototype.setScrollLeft = function () {};
		  NullScrollbars.prototype.setScrollTop = function () {};
		  NullScrollbars.prototype.clear = function () {};

		  function updateScrollbars(cm, measure) {
		    if (!measure) { measure = measureForScrollbars(cm); }
		    var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
		    updateScrollbarsInner(cm, measure);
		    for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
		      if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
		        { updateHeightsInViewport(cm); }
		      updateScrollbarsInner(cm, measureForScrollbars(cm));
		      startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
		    }
		  }

		  // Re-synchronize the fake scrollbars with the actual size of the
		  // content.
		  function updateScrollbarsInner(cm, measure) {
		    var d = cm.display;
		    var sizes = d.scrollbars.update(measure);

		    d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
		    d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
		    d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";

		    if (sizes.right && sizes.bottom) {
		      d.scrollbarFiller.style.display = "block";
		      d.scrollbarFiller.style.height = sizes.bottom + "px";
		      d.scrollbarFiller.style.width = sizes.right + "px";
		    } else { d.scrollbarFiller.style.display = ""; }
		    if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
		      d.gutterFiller.style.display = "block";
		      d.gutterFiller.style.height = sizes.bottom + "px";
		      d.gutterFiller.style.width = measure.gutterWidth + "px";
		    } else { d.gutterFiller.style.display = ""; }
		  }

		  var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};

		  function initScrollbars(cm) {
		    if (cm.display.scrollbars) {
		      cm.display.scrollbars.clear();
		      if (cm.display.scrollbars.addClass)
		        { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
		    }

		    cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {
		      cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
		      // Prevent clicks in the scrollbars from killing focus
		      on(node, "mousedown", function () {
		        if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }
		      });
		      node.setAttribute("cm-not-content", "true");
		    }, function (pos, axis) {
		      if (axis == "horizontal") { setScrollLeft(cm, pos); }
		      else { updateScrollTop(cm, pos); }
		    }, cm);
		    if (cm.display.scrollbars.addClass)
		      { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
		  }

		  // Operations are used to wrap a series of changes to the editor
		  // state in such a way that each change won't have to update the
		  // cursor and display (which would be awkward, slow, and
		  // error-prone). Instead, display updates are batched and then all
		  // combined and executed at once.

		  var nextOpId = 0;
		  // Start a new operation.
		  function startOperation(cm) {
		    cm.curOp = {
		      cm: cm,
		      viewChanged: false,      // Flag that indicates that lines might need to be redrawn
		      startHeight: cm.doc.height, // Used to detect need to update scrollbar
		      forceUpdate: false,      // Used to force a redraw
		      updateInput: 0,       // Whether to reset the input textarea
		      typing: false,           // Whether this reset should be careful to leave existing text (for compositing)
		      changeObjs: null,        // Accumulated changes, for firing change events
		      cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
		      cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
		      selectionChanged: false, // Whether the selection needs to be redrawn
		      updateMaxLine: false,    // Set when the widest line needs to be determined anew
		      scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
		      scrollToPos: null,       // Used to scroll to a specific position
		      focus: false,
		      id: ++nextOpId,          // Unique ID
		      markArrays: null         // Used by addMarkedSpan
		    };
		    pushOperation(cm.curOp);
		  }

		  // Finish an operation, updating the display and signalling delayed events
		  function endOperation(cm) {
		    var op = cm.curOp;
		    if (op) { finishOperation(op, function (group) {
		      for (var i = 0; i < group.ops.length; i++)
		        { group.ops[i].cm.curOp = null; }
		      endOperations(group);
		    }); }
		  }

		  // The DOM updates done when an operation finishes are batched so
		  // that the minimum number of relayouts are required.
		  function endOperations(group) {
		    var ops = group.ops;
		    for (var i = 0; i < ops.length; i++) // Read DOM
		      { endOperation_R1(ops[i]); }
		    for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)
		      { endOperation_W1(ops[i$1]); }
		    for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM
		      { endOperation_R2(ops[i$2]); }
		    for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)
		      { endOperation_W2(ops[i$3]); }
		    for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM
		      { endOperation_finish(ops[i$4]); }
		  }

		  function endOperation_R1(op) {
		    var cm = op.cm, display = cm.display;
		    maybeClipScrollbars(cm);
		    if (op.updateMaxLine) { findMaxLine(cm); }

		    op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
		      op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
		                         op.scrollToPos.to.line >= display.viewTo) ||
		      display.maxLineChanged && cm.options.lineWrapping;
		    op.update = op.mustUpdate &&
		      new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
		  }

		  function endOperation_W1(op) {
		    op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
		  }

		  function endOperation_R2(op) {
		    var cm = op.cm, display = cm.display;
		    if (op.updatedDisplay) { updateHeightsInViewport(cm); }

		    op.barMeasure = measureForScrollbars(cm);

		    // If the max line changed since it was last measured, measure it,
		    // and ensure the document's width matches it.
		    // updateDisplay_W2 will use these properties to do the actual resizing
		    if (display.maxLineChanged && !cm.options.lineWrapping) {
		      op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
		      cm.display.sizerWidth = op.adjustWidthTo;
		      op.barMeasure.scrollWidth =
		        Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
		      op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
		    }

		    if (op.updatedDisplay || op.selectionChanged)
		      { op.preparedSelection = display.input.prepareSelection(); }
		  }

		  function endOperation_W2(op) {
		    var cm = op.cm;

		    if (op.adjustWidthTo != null) {
		      cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
		      if (op.maxScrollLeft < cm.doc.scrollLeft)
		        { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }
		      cm.display.maxLineChanged = false;
		    }

		    var takeFocus = op.focus && op.focus == activeElt(root(cm));
		    if (op.preparedSelection)
		      { cm.display.input.showSelection(op.preparedSelection, takeFocus); }
		    if (op.updatedDisplay || op.startHeight != cm.doc.height)
		      { updateScrollbars(cm, op.barMeasure); }
		    if (op.updatedDisplay)
		      { setDocumentHeight(cm, op.barMeasure); }

		    if (op.selectionChanged) { restartBlink(cm); }

		    if (cm.state.focused && op.updateInput)
		      { cm.display.input.reset(op.typing); }
		    if (takeFocus) { ensureFocus(op.cm); }
		  }

		  function endOperation_finish(op) {
		    var cm = op.cm, display = cm.display, doc = cm.doc;

		    if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }

		    // Abort mouse wheel delta measurement, when scrolling explicitly
		    if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
		      { display.wheelStartX = display.wheelStartY = null; }

		    // Propagate the scroll position to the actual DOM scroller
		    if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }

		    if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }
		    // If we need to scroll a specific position into view, do so.
		    if (op.scrollToPos) {
		      var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
		                                   clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
		      maybeScrollWindow(cm, rect);
		    }

		    // Fire events for markers that are hidden/unidden by editing or
		    // undoing
		    var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
		    if (hidden) { for (var i = 0; i < hidden.length; ++i)
		      { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } }
		    if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)
		      { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } }

		    if (display.wrapper.offsetHeight)
		      { doc.scrollTop = cm.display.scroller.scrollTop; }

		    // Fire change events, and delayed event handlers
		    if (op.changeObjs)
		      { signal(cm, "changes", cm, op.changeObjs); }
		    if (op.update)
		      { op.update.finish(); }
		  }

		  // Run the given function in an operation
		  function runInOp(cm, f) {
		    if (cm.curOp) { return f() }
		    startOperation(cm);
		    try { return f() }
		    finally { endOperation(cm); }
		  }
		  // Wraps a function in an operation. Returns the wrapped function.
		  function operation(cm, f) {
		    return function() {
		      if (cm.curOp) { return f.apply(cm, arguments) }
		      startOperation(cm);
		      try { return f.apply(cm, arguments) }
		      finally { endOperation(cm); }
		    }
		  }
		  // Used to add methods to editor and doc instances, wrapping them in
		  // operations.
		  function methodOp(f) {
		    return function() {
		      if (this.curOp) { return f.apply(this, arguments) }
		      startOperation(this);
		      try { return f.apply(this, arguments) }
		      finally { endOperation(this); }
		    }
		  }
		  function docMethodOp(f) {
		    return function() {
		      var cm = this.cm;
		      if (!cm || cm.curOp) { return f.apply(this, arguments) }
		      startOperation(cm);
		      try { return f.apply(this, arguments) }
		      finally { endOperation(cm); }
		    }
		  }

		  // HIGHLIGHT WORKER

		  function startWorker(cm, time) {
		    if (cm.doc.highlightFrontier < cm.display.viewTo)
		      { cm.state.highlight.set(time, bind(highlightWorker, cm)); }
		  }

		  function highlightWorker(cm) {
		    var doc = cm.doc;
		    if (doc.highlightFrontier >= cm.display.viewTo) { return }
		    var end = +new Date + cm.options.workTime;
		    var context = getContextBefore(cm, doc.highlightFrontier);
		    var changedLines = [];

		    doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {
		      if (context.line >= cm.display.viewFrom) { // Visible
		        var oldStyles = line.styles;
		        var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;
		        var highlighted = highlightLine(cm, line, context, true);
		        if (resetState) { context.state = resetState; }
		        line.styles = highlighted.styles;
		        var oldCls = line.styleClasses, newCls = highlighted.classes;
		        if (newCls) { line.styleClasses = newCls; }
		        else if (oldCls) { line.styleClasses = null; }
		        var ischange = !oldStyles || oldStyles.length != line.styles.length ||
		          oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
		        for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }
		        if (ischange) { changedLines.push(context.line); }
		        line.stateAfter = context.save();
		        context.nextLine();
		      } else {
		        if (line.text.length <= cm.options.maxHighlightLength)
		          { processLine(cm, line.text, context); }
		        line.stateAfter = context.line % 5 == 0 ? context.save() : null;
		        context.nextLine();
		      }
		      if (+new Date > end) {
		        startWorker(cm, cm.options.workDelay);
		        return true
		      }
		    });
		    doc.highlightFrontier = context.line;
		    doc.modeFrontier = Math.max(doc.modeFrontier, context.line);
		    if (changedLines.length) { runInOp(cm, function () {
		      for (var i = 0; i < changedLines.length; i++)
		        { regLineChange(cm, changedLines[i], "text"); }
		    }); }
		  }

		  // DISPLAY DRAWING

		  var DisplayUpdate = function(cm, viewport, force) {
		    var display = cm.display;

		    this.viewport = viewport;
		    // Store some values that we'll need later (but don't want to force a relayout for)
		    this.visible = visibleLines(display, cm.doc, viewport);
		    this.editorIsHidden = !display.wrapper.offsetWidth;
		    this.wrapperHeight = display.wrapper.clientHeight;
		    this.wrapperWidth = display.wrapper.clientWidth;
		    this.oldDisplayWidth = displayWidth(cm);
		    this.force = force;
		    this.dims = getDimensions(cm);
		    this.events = [];
		  };

		  DisplayUpdate.prototype.signal = function (emitter, type) {
		    if (hasHandler(emitter, type))
		      { this.events.push(arguments); }
		  };
		  DisplayUpdate.prototype.finish = function () {
		    for (var i = 0; i < this.events.length; i++)
		      { signal.apply(null, this.events[i]); }
		  };

		  function maybeClipScrollbars(cm) {
		    var display = cm.display;
		    if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
		      display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
		      display.heightForcer.style.height = scrollGap(cm) + "px";
		      display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
		      display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
		      display.scrollbarsClipped = true;
		    }
		  }

		  function selectionSnapshot(cm) {
		    if (cm.hasFocus()) { return null }
		    var active = activeElt(root(cm));
		    if (!active || !contains(cm.display.lineDiv, active)) { return null }
		    var result = {activeElt: active};
		    if (window.getSelection) {
		      var sel = win(cm).getSelection();
		      if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {
		        result.anchorNode = sel.anchorNode;
		        result.anchorOffset = sel.anchorOffset;
		        result.focusNode = sel.focusNode;
		        result.focusOffset = sel.focusOffset;
		      }
		    }
		    return result
		  }

		  function restoreSelection(snapshot) {
		    if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt(rootNode(snapshot.activeElt))) { return }
		    snapshot.activeElt.focus();
		    if (!/^(INPUT|TEXTAREA)$/.test(snapshot.activeElt.nodeName) &&
		        snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {
		      var doc = snapshot.activeElt.ownerDocument;
		      var sel = doc.defaultView.getSelection(), range = doc.createRange();
		      range.setEnd(snapshot.anchorNode, snapshot.anchorOffset);
		      range.collapse(false);
		      sel.removeAllRanges();
		      sel.addRange(range);
		      sel.extend(snapshot.focusNode, snapshot.focusOffset);
		    }
		  }

		  // Does the actual updating of the line display. Bails out
		  // (returning false) when there is nothing to be done and forced is
		  // false.
		  function updateDisplayIfNeeded(cm, update) {
		    var display = cm.display, doc = cm.doc;

		    if (update.editorIsHidden) {
		      resetView(cm);
		      return false
		    }

		    // Bail out if the visible area is already rendered and nothing changed.
		    if (!update.force &&
		        update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
		        (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
		        display.renderedView == display.view && countDirtyView(cm) == 0)
		      { return false }

		    if (maybeUpdateLineNumberWidth(cm)) {
		      resetView(cm);
		      update.dims = getDimensions(cm);
		    }

		    // Compute a suitable new viewport (from & to)
		    var end = doc.first + doc.size;
		    var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
		    var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
		    if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }
		    if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }
		    if (sawCollapsedSpans) {
		      from = visualLineNo(cm.doc, from);
		      to = visualLineEndNo(cm.doc, to);
		    }

		    var different = from != display.viewFrom || to != display.viewTo ||
		      display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
		    adjustView(cm, from, to);

		    display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
		    // Position the mover div to align with the current scroll position
		    cm.display.mover.style.top = display.viewOffset + "px";

		    var toUpdate = countDirtyView(cm);
		    if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
		        (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
		      { return false }

		    // For big changes, we hide the enclosing element during the
		    // update, since that speeds up the operations on most browsers.
		    var selSnapshot = selectionSnapshot(cm);
		    if (toUpdate > 4) { display.lineDiv.style.display = "none"; }
		    patchDisplay(cm, display.updateLineNumbers, update.dims);
		    if (toUpdate > 4) { display.lineDiv.style.display = ""; }
		    display.renderedView = display.view;
		    // There might have been a widget with a focused element that got
		    // hidden or updated, if so re-focus it.
		    restoreSelection(selSnapshot);

		    // Prevent selection and cursors from interfering with the scroll
		    // width and height.
		    removeChildren(display.cursorDiv);
		    removeChildren(display.selectionDiv);
		    display.gutters.style.height = display.sizer.style.minHeight = 0;

		    if (different) {
		      display.lastWrapHeight = update.wrapperHeight;
		      display.lastWrapWidth = update.wrapperWidth;
		      startWorker(cm, 400);
		    }

		    display.updateLineNumbers = null;

		    return true
		  }

		  function postUpdateDisplay(cm, update) {
		    var viewport = update.viewport;

		    for (var first = true;; first = false) {
		      if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
		        // Clip forced viewport to actual scrollable area.
		        if (viewport && viewport.top != null)
		          { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }
		        // Updated line heights might result in the drawn area not
		        // actually covering the viewport. Keep looping until it does.
		        update.visible = visibleLines(cm.display, cm.doc, viewport);
		        if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
		          { break }
		      } else if (first) {
		        update.visible = visibleLines(cm.display, cm.doc, viewport);
		      }
		      if (!updateDisplayIfNeeded(cm, update)) { break }
		      updateHeightsInViewport(cm);
		      var barMeasure = measureForScrollbars(cm);
		      updateSelection(cm);
		      updateScrollbars(cm, barMeasure);
		      setDocumentHeight(cm, barMeasure);
		      update.force = false;
		    }

		    update.signal(cm, "update", cm);
		    if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
		      update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
		      cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
		    }
		  }

		  function updateDisplaySimple(cm, viewport) {
		    var update = new DisplayUpdate(cm, viewport);
		    if (updateDisplayIfNeeded(cm, update)) {
		      updateHeightsInViewport(cm);
		      postUpdateDisplay(cm, update);
		      var barMeasure = measureForScrollbars(cm);
		      updateSelection(cm);
		      updateScrollbars(cm, barMeasure);
		      setDocumentHeight(cm, barMeasure);
		      update.finish();
		    }
		  }

		  // Sync the actual display DOM structure with display.view, removing
		  // nodes for lines that are no longer in view, and creating the ones
		  // that are not there yet, and updating the ones that are out of
		  // date.
		  function patchDisplay(cm, updateNumbersFrom, dims) {
		    var display = cm.display, lineNumbers = cm.options.lineNumbers;
		    var container = display.lineDiv, cur = container.firstChild;

		    function rm(node) {
		      var next = node.nextSibling;
		      // Works around a throw-scroll bug in OS X Webkit
		      if (webkit && mac && cm.display.currentWheelTarget == node)
		        { node.style.display = "none"; }
		      else
		        { node.parentNode.removeChild(node); }
		      return next
		    }

		    var view = display.view, lineN = display.viewFrom;
		    // Loop over the elements in the view, syncing cur (the DOM nodes
		    // in display.lineDiv) with the view as we go.
		    for (var i = 0; i < view.length; i++) {
		      var lineView = view[i];
		      if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
		        var node = buildLineElement(cm, lineView, lineN, dims);
		        container.insertBefore(node, cur);
		      } else { // Already drawn
		        while (cur != lineView.node) { cur = rm(cur); }
		        var updateNumber = lineNumbers && updateNumbersFrom != null &&
		          updateNumbersFrom <= lineN && lineView.lineNumber;
		        if (lineView.changes) {
		          if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; }
		          updateLineForChanges(cm, lineView, lineN, dims);
		        }
		        if (updateNumber) {
		          removeChildren(lineView.lineNumber);
		          lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
		        }
		        cur = lineView.node.nextSibling;
		      }
		      lineN += lineView.size;
		    }
		    while (cur) { cur = rm(cur); }
		  }

		  function updateGutterSpace(display) {
		    var width = display.gutters.offsetWidth;
		    display.sizer.style.marginLeft = width + "px";
		    // Send an event to consumers responding to changes in gutter width.
		    signalLater(display, "gutterChanged", display);
		  }

		  function setDocumentHeight(cm, measure) {
		    cm.display.sizer.style.minHeight = measure.docHeight + "px";
		    cm.display.heightForcer.style.top = measure.docHeight + "px";
		    cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";
		  }

		  // Re-align line numbers and gutter marks to compensate for
		  // horizontal scrolling.
		  function alignHorizontally(cm) {
		    var display = cm.display, view = display.view;
		    if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }
		    var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
		    var gutterW = display.gutters.offsetWidth, left = comp + "px";
		    for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {
		      if (cm.options.fixedGutter) {
		        if (view[i].gutter)
		          { view[i].gutter.style.left = left; }
		        if (view[i].gutterBackground)
		          { view[i].gutterBackground.style.left = left; }
		      }
		      var align = view[i].alignable;
		      if (align) { for (var j = 0; j < align.length; j++)
		        { align[j].style.left = left; } }
		    } }
		    if (cm.options.fixedGutter)
		      { display.gutters.style.left = (comp + gutterW) + "px"; }
		  }

		  // Used to ensure that the line number gutter is still the right
		  // size for the current document size. Returns true when an update
		  // is needed.
		  function maybeUpdateLineNumberWidth(cm) {
		    if (!cm.options.lineNumbers) { return false }
		    var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
		    if (last.length != display.lineNumChars) {
		      var test = display.measure.appendChild(elt("div", [elt("div", last)],
		                                                 "CodeMirror-linenumber CodeMirror-gutter-elt"));
		      var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
		      display.lineGutter.style.width = "";
		      display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
		      display.lineNumWidth = display.lineNumInnerWidth + padding;
		      display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
		      display.lineGutter.style.width = display.lineNumWidth + "px";
		      updateGutterSpace(cm.display);
		      return true
		    }
		    return false
		  }

		  function getGutters(gutters, lineNumbers) {
		    var result = [], sawLineNumbers = false;
		    for (var i = 0; i < gutters.length; i++) {
		      var name = gutters[i], style = null;
		      if (typeof name != "string") { style = name.style; name = name.className; }
		      if (name == "CodeMirror-linenumbers") {
		        if (!lineNumbers) { continue }
		        else { sawLineNumbers = true; }
		      }
		      result.push({className: name, style: style});
		    }
		    if (lineNumbers && !sawLineNumbers) { result.push({className: "CodeMirror-linenumbers", style: null}); }
		    return result
		  }

		  // Rebuild the gutter elements, ensure the margin to the left of the
		  // code matches their width.
		  function renderGutters(display) {
		    var gutters = display.gutters, specs = display.gutterSpecs;
		    removeChildren(gutters);
		    display.lineGutter = null;
		    for (var i = 0; i < specs.length; ++i) {
		      var ref = specs[i];
		      var className = ref.className;
		      var style = ref.style;
		      var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + className));
		      if (style) { gElt.style.cssText = style; }
		      if (className == "CodeMirror-linenumbers") {
		        display.lineGutter = gElt;
		        gElt.style.width = (display.lineNumWidth || 1) + "px";
		      }
		    }
		    gutters.style.display = specs.length ? "" : "none";
		    updateGutterSpace(display);
		  }

		  function updateGutters(cm) {
		    renderGutters(cm.display);
		    regChange(cm);
		    alignHorizontally(cm);
		  }

		  // The display handles the DOM integration, both for input reading
		  // and content drawing. It holds references to DOM nodes and
		  // display-related state.

		  function Display(place, doc, input, options) {
		    var d = this;
		    this.input = input;

		    // Covers bottom-right square when both scrollbars are present.
		    d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
		    d.scrollbarFiller.setAttribute("cm-not-content", "true");
		    // Covers bottom of gutter when coverGutterNextToScrollbar is on
		    // and h scrollbar is present.
		    d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
		    d.gutterFiller.setAttribute("cm-not-content", "true");
		    // Will contain the actual code, positioned to cover the viewport.
		    d.lineDiv = eltP("div", null, "CodeMirror-code");
		    // Elements are added to these to represent selection and cursors.
		    d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
		    d.cursorDiv = elt("div", null, "CodeMirror-cursors");
		    // A visibility: hidden element used to find the size of things.
		    d.measure = elt("div", null, "CodeMirror-measure");
		    // When lines outside of the viewport are measured, they are drawn in this.
		    d.lineMeasure = elt("div", null, "CodeMirror-measure");
		    // Wraps everything that needs to exist inside the vertically-padded coordinate system
		    d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
		                      null, "position: relative; outline: none");
		    var lines = eltP("div", [d.lineSpace], "CodeMirror-lines");
		    // Moved around its parent to cover visible view.
		    d.mover = elt("div", [lines], null, "position: relative");
		    // Set to the height of the document, allowing scrolling.
		    d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
		    d.sizerWidth = null;
		    // Behavior of elts with overflow: auto and padding is
		    // inconsistent across browsers. This is used to ensure the
		    // scrollable area is big enough.
		    d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
		    // Will contain the gutters, if any.
		    d.gutters = elt("div", null, "CodeMirror-gutters");
		    d.lineGutter = null;
		    // Actual scrollable element.
		    d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
		    d.scroller.setAttribute("tabIndex", "-1");
		    // The element in which the editor lives.
		    d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
		    // See #6982. FIXME remove when this has been fixed for a while in Chrome
		    if (chrome && chrome_version >= 105) { d.wrapper.style.clipPath = "inset(0px)"; }

		    // This attribute is respected by automatic translation systems such as Google Translate,
		    // and may also be respected by tools used by human translators.
		    d.wrapper.setAttribute('translate', 'no');

		    // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
		    if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
		    if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }

		    if (place) {
		      if (place.appendChild) { place.appendChild(d.wrapper); }
		      else { place(d.wrapper); }
		    }

		    // Current rendered range (may be bigger than the view window).
		    d.viewFrom = d.viewTo = doc.first;
		    d.reportedViewFrom = d.reportedViewTo = doc.first;
		    // Information about the rendered lines.
		    d.view = [];
		    d.renderedView = null;
		    // Holds info about a single rendered line when it was rendered
		    // for measurement, while not in view.
		    d.externalMeasured = null;
		    // Empty space (in pixels) above the view
		    d.viewOffset = 0;
		    d.lastWrapHeight = d.lastWrapWidth = 0;
		    d.updateLineNumbers = null;

		    d.nativeBarWidth = d.barHeight = d.barWidth = 0;
		    d.scrollbarsClipped = false;

		    // Used to only resize the line number gutter when necessary (when
		    // the amount of lines crosses a boundary that makes its width change)
		    d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
		    // Set to true when a non-horizontal-scrolling line widget is
		    // added. As an optimization, line widget aligning is skipped when
		    // this is false.
		    d.alignWidgets = false;

		    d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;

		    // Tracks the maximum line length so that the horizontal scrollbar
		    // can be kept static when scrolling.
		    d.maxLine = null;
		    d.maxLineLength = 0;
		    d.maxLineChanged = false;

		    // Used for measuring wheel scrolling granularity
		    d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;

		    // True when shift is held down.
		    d.shift = false;

		    // Used to track whether anything happened since the context menu
		    // was opened.
		    d.selForContextMenu = null;

		    d.activeTouch = null;

		    d.gutterSpecs = getGutters(options.gutters, options.lineNumbers);
		    renderGutters(d);

		    input.init(d);
		  }

		  // Since the delta values reported on mouse wheel events are
		  // unstandardized between browsers and even browser versions, and
		  // generally horribly unpredictable, this code starts by measuring
		  // the scroll effect that the first few mouse wheel events have,
		  // and, from that, detects the way it can convert deltas to pixel
		  // offsets afterwards.
		  //
		  // The reason we want to know the amount a wheel event will scroll
		  // is that it gives us a chance to update the display before the
		  // actual scrolling happens, reducing flickering.

		  var wheelSamples = 0, wheelPixelsPerUnit = null;
		  // Fill in a browser-detected starting value on browsers where we
		  // know one. These don't have to be accurate -- the result of them
		  // being wrong would just be a slight flicker on the first wheel
		  // scroll (if it is large enough).
		  if (ie) { wheelPixelsPerUnit = -0.53; }
		  else if (gecko) { wheelPixelsPerUnit = 15; }
		  else if (chrome) { wheelPixelsPerUnit = -0.7; }
		  else if (safari) { wheelPixelsPerUnit = -1/3; }

		  function wheelEventDelta(e) {
		    var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
		    if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }
		    if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }
		    else if (dy == null) { dy = e.wheelDelta; }
		    return {x: dx, y: dy}
		  }
		  function wheelEventPixels(e) {
		    var delta = wheelEventDelta(e);
		    delta.x *= wheelPixelsPerUnit;
		    delta.y *= wheelPixelsPerUnit;
		    return delta
		  }

		  function onScrollWheel(cm, e) {
		    // On Chrome 102, viewport updates somehow stop wheel-based
		    // scrolling. Turning off pointer events during the scroll seems
		    // to avoid the issue.
		    if (chrome && chrome_version == 102) {
		      if (cm.display.chromeScrollHack == null) { cm.display.sizer.style.pointerEvents = "none"; }
		      else { clearTimeout(cm.display.chromeScrollHack); }
		      cm.display.chromeScrollHack = setTimeout(function () {
		        cm.display.chromeScrollHack = null;
		        cm.display.sizer.style.pointerEvents = "";
		      }, 100);
		    }
		    var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
		    var pixelsPerUnit = wheelPixelsPerUnit;
		    if (e.deltaMode === 0) {
		      dx = e.deltaX;
		      dy = e.deltaY;
		      pixelsPerUnit = 1;
		    }

		    var display = cm.display, scroll = display.scroller;
		    // Quit if there's nothing to scroll here
		    var canScrollX = scroll.scrollWidth > scroll.clientWidth;
		    var canScrollY = scroll.scrollHeight > scroll.clientHeight;
		    if (!(dx && canScrollX || dy && canScrollY)) { return }

		    // Webkit browsers on OS X abort momentum scrolls when the target
		    // of the scroll event is removed from the scrollable element.
		    // This hack (see related code in patchDisplay) makes sure the
		    // element is kept around.
		    if (dy && mac && webkit) {
		      outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
		        for (var i = 0; i < view.length; i++) {
		          if (view[i].node == cur) {
		            cm.display.currentWheelTarget = cur;
		            break outer
		          }
		        }
		      }
		    }

		    // On some browsers, horizontal scrolling will cause redraws to
		    // happen before the gutter has been realigned, causing it to
		    // wriggle around in a most unseemly way. When we have an
		    // estimated pixels/delta value, we just handle horizontal
		    // scrolling entirely here. It'll be slightly off from native, but
		    // better than glitching out.
		    if (dx && !gecko && !presto && pixelsPerUnit != null) {
		      if (dy && canScrollY)
		        { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * pixelsPerUnit)); }
		      setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * pixelsPerUnit));
		      // Only prevent default scrolling if vertical scrolling is
		      // actually possible. Otherwise, it causes vertical scroll
		      // jitter on OSX trackpads when deltaX is small and deltaY
		      // is large (issue #3579)
		      if (!dy || (dy && canScrollY))
		        { e_preventDefault(e); }
		      display.wheelStartX = null; // Abort measurement, if in progress
		      return
		    }

		    // 'Project' the visible viewport to cover the area that is being
		    // scrolled into view (if we know enough to estimate it).
		    if (dy && pixelsPerUnit != null) {
		      var pixels = dy * pixelsPerUnit;
		      var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
		      if (pixels < 0) { top = Math.max(0, top + pixels - 50); }
		      else { bot = Math.min(cm.doc.height, bot + pixels + 50); }
		      updateDisplaySimple(cm, {top: top, bottom: bot});
		    }

		    if (wheelSamples < 20 && e.deltaMode !== 0) {
		      if (display.wheelStartX == null) {
		        display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
		        display.wheelDX = dx; display.wheelDY = dy;
		        setTimeout(function () {
		          if (display.wheelStartX == null) { return }
		          var movedX = scroll.scrollLeft - display.wheelStartX;
		          var movedY = scroll.scrollTop - display.wheelStartY;
		          var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
		            (movedX && display.wheelDX && movedX / display.wheelDX);
		          display.wheelStartX = display.wheelStartY = null;
		          if (!sample) { return }
		          wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
		          ++wheelSamples;
		        }, 200);
		      } else {
		        display.wheelDX += dx; display.wheelDY += dy;
		      }
		    }
		  }

		  // Selection objects are immutable. A new one is created every time
		  // the selection changes. A selection is one or more non-overlapping
		  // (and non-touching) ranges, sorted, and an integer that indicates
		  // which one is the primary selection (the one that's scrolled into
		  // view, that getCursor returns, etc).
		  var Selection = function(ranges, primIndex) {
		    this.ranges = ranges;
		    this.primIndex = primIndex;
		  };

		  Selection.prototype.primary = function () { return this.ranges[this.primIndex] };

		  Selection.prototype.equals = function (other) {
		    if (other == this) { return true }
		    if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }
		    for (var i = 0; i < this.ranges.length; i++) {
		      var here = this.ranges[i], there = other.ranges[i];
		      if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }
		    }
		    return true
		  };

		  Selection.prototype.deepCopy = function () {
		    var out = [];
		    for (var i = 0; i < this.ranges.length; i++)
		      { out[i] = new Range(copyPos(this.ranges[i].anchor), copyPos(this.ranges[i].head)); }
		    return new Selection(out, this.primIndex)
		  };

		  Selection.prototype.somethingSelected = function () {
		    for (var i = 0; i < this.ranges.length; i++)
		      { if (!this.ranges[i].empty()) { return true } }
		    return false
		  };

		  Selection.prototype.contains = function (pos, end) {
		    if (!end) { end = pos; }
		    for (var i = 0; i < this.ranges.length; i++) {
		      var range = this.ranges[i];
		      if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
		        { return i }
		    }
		    return -1
		  };

		  var Range = function(anchor, head) {
		    this.anchor = anchor; this.head = head;
		  };

		  Range.prototype.from = function () { return minPos(this.anchor, this.head) };
		  Range.prototype.to = function () { return maxPos(this.anchor, this.head) };
		  Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };

		  // Take an unsorted, potentially overlapping set of ranges, and
		  // build a selection out of it. 'Consumes' ranges array (modifying
		  // it).
		  function normalizeSelection(cm, ranges, primIndex) {
		    var mayTouch = cm && cm.options.selectionsMayTouch;
		    var prim = ranges[primIndex];
		    ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });
		    primIndex = indexOf(ranges, prim);
		    for (var i = 1; i < ranges.length; i++) {
		      var cur = ranges[i], prev = ranges[i - 1];
		      var diff = cmp(prev.to(), cur.from());
		      if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) {
		        var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
		        var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
		        if (i <= primIndex) { --primIndex; }
		        ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
		      }
		    }
		    return new Selection(ranges, primIndex)
		  }

		  function simpleSelection(anchor, head) {
		    return new Selection([new Range(anchor, head || anchor)], 0)
		  }

		  // Compute the position of the end of a change (its 'to' property
		  // refers to the pre-change end).
		  function changeEnd(change) {
		    if (!change.text) { return change.to }
		    return Pos(change.from.line + change.text.length - 1,
		               lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))
		  }

		  // Adjust a position to refer to the post-change position of the
		  // same text, or the end of the change if the change covers it.
		  function adjustForChange(pos, change) {
		    if (cmp(pos, change.from) < 0) { return pos }
		    if (cmp(pos, change.to) <= 0) { return changeEnd(change) }

		    var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
		    if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }
		    return Pos(line, ch)
		  }

		  function computeSelAfterChange(doc, change) {
		    var out = [];
		    for (var i = 0; i < doc.sel.ranges.length; i++) {
		      var range = doc.sel.ranges[i];
		      out.push(new Range(adjustForChange(range.anchor, change),
		                         adjustForChange(range.head, change)));
		    }
		    return normalizeSelection(doc.cm, out, doc.sel.primIndex)
		  }

		  function offsetPos(pos, old, nw) {
		    if (pos.line == old.line)
		      { return Pos(nw.line, pos.ch - old.ch + nw.ch) }
		    else
		      { return Pos(nw.line + (pos.line - old.line), pos.ch) }
		  }

		  // Used by replaceSelections to allow moving the selection to the
		  // start or around the replaced test. Hint may be "start" or "around".
		  function computeReplacedSel(doc, changes, hint) {
		    var out = [];
		    var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
		    for (var i = 0; i < changes.length; i++) {
		      var change = changes[i];
		      var from = offsetPos(change.from, oldPrev, newPrev);
		      var to = offsetPos(changeEnd(change), oldPrev, newPrev);
		      oldPrev = change.to;
		      newPrev = to;
		      if (hint == "around") {
		        var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
		        out[i] = new Range(inv ? to : from, inv ? from : to);
		      } else {
		        out[i] = new Range(from, from);
		      }
		    }
		    return new Selection(out, doc.sel.primIndex)
		  }

		  // Used to get the editor into a consistent state again when options change.

		  function loadMode(cm) {
		    cm.doc.mode = getMode(cm.options, cm.doc.modeOption);
		    resetModeState(cm);
		  }

		  function resetModeState(cm) {
		    cm.doc.iter(function (line) {
		      if (line.stateAfter) { line.stateAfter = null; }
		      if (line.styles) { line.styles = null; }
		    });
		    cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;
		    startWorker(cm, 100);
		    cm.state.modeGen++;
		    if (cm.curOp) { regChange(cm); }
		  }

		  // DOCUMENT DATA STRUCTURE

		  // By default, updates that start and end at the beginning of a line
		  // are treated specially, in order to make the association of line
		  // widgets and marker elements with the text behave more intuitive.
		  function isWholeLineUpdate(doc, change) {
		    return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
		      (!doc.cm || doc.cm.options.wholeLineUpdateBefore)
		  }

		  // Perform a change on the document data structure.
		  function updateDoc(doc, change, markedSpans, estimateHeight) {
		    function spansFor(n) {return markedSpans ? markedSpans[n] : null}
		    function update(line, text, spans) {
		      updateLine(line, text, spans, estimateHeight);
		      signalLater(line, "change", line, change);
		    }
		    function linesFor(start, end) {
		      var result = [];
		      for (var i = start; i < end; ++i)
		        { result.push(new Line(text[i], spansFor(i), estimateHeight)); }
		      return result
		    }

		    var from = change.from, to = change.to, text = change.text;
		    var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
		    var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;

		    // Adjust the line structure
		    if (change.full) {
		      doc.insert(0, linesFor(0, text.length));
		      doc.remove(text.length, doc.size - text.length);
		    } else if (isWholeLineUpdate(doc, change)) {
		      // This is a whole-line replace. Treated specially to make
		      // sure line objects move the way they are supposed to.
		      var added = linesFor(0, text.length - 1);
		      update(lastLine, lastLine.text, lastSpans);
		      if (nlines) { doc.remove(from.line, nlines); }
		      if (added.length) { doc.insert(from.line, added); }
		    } else if (firstLine == lastLine) {
		      if (text.length == 1) {
		        update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
		      } else {
		        var added$1 = linesFor(1, text.length - 1);
		        added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight));
		        update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
		        doc.insert(from.line + 1, added$1);
		      }
		    } else if (text.length == 1) {
		      update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
		      doc.remove(from.line + 1, nlines);
		    } else {
		      update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
		      update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
		      var added$2 = linesFor(1, text.length - 1);
		      if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }
		      doc.insert(from.line + 1, added$2);
		    }

		    signalLater(doc, "change", doc, change);
		  }

		  // Call f for all linked documents.
		  function linkedDocs(doc, f, sharedHistOnly) {
		    function propagate(doc, skip, sharedHist) {
		      if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {
		        var rel = doc.linked[i];
		        if (rel.doc == skip) { continue }
		        var shared = sharedHist && rel.sharedHist;
		        if (sharedHistOnly && !shared) { continue }
		        f(rel.doc, shared);
		        propagate(rel.doc, doc, shared);
		      } }
		    }
		    propagate(doc, null, true);
		  }

		  // Attach a document to an editor.
		  function attachDoc(cm, doc) {
		    if (doc.cm) { throw new Error("This document is already in use.") }
		    cm.doc = doc;
		    doc.cm = cm;
		    estimateLineHeights(cm);
		    loadMode(cm);
		    setDirectionClass(cm);
		    cm.options.direction = doc.direction;
		    if (!cm.options.lineWrapping) { findMaxLine(cm); }
		    cm.options.mode = doc.modeOption;
		    regChange(cm);
		  }

		  function setDirectionClass(cm) {
		  (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");
		  }

		  function directionChanged(cm) {
		    runInOp(cm, function () {
		      setDirectionClass(cm);
		      regChange(cm);
		    });
		  }

		  function History(prev) {
		    // Arrays of change events and selections. Doing something adds an
		    // event to done and clears undo. Undoing moves events from done
		    // to undone, redoing moves them in the other direction.
		    this.done = []; this.undone = [];
		    this.undoDepth = prev ? prev.undoDepth : Infinity;
		    // Used to track when changes can be merged into a single undo
		    // event
		    this.lastModTime = this.lastSelTime = 0;
		    this.lastOp = this.lastSelOp = null;
		    this.lastOrigin = this.lastSelOrigin = null;
		    // Used by the isClean() method
		    this.generation = this.maxGeneration = prev ? prev.maxGeneration : 1;
		  }

		  // Create a history change event from an updateDoc-style change
		  // object.
		  function historyChangeFromChange(doc, change) {
		    var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
		    attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
		    linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);
		    return histChange
		  }

		  // Pop all selection events off the end of a history array. Stop at
		  // a change event.
		  function clearSelectionEvents(array) {
		    while (array.length) {
		      var last = lst(array);
		      if (last.ranges) { array.pop(); }
		      else { break }
		    }
		  }

		  // Find the top change event in the history. Pop off selection
		  // events that are in the way.
		  function lastChangeEvent(hist, force) {
		    if (force) {
		      clearSelectionEvents(hist.done);
		      return lst(hist.done)
		    } else if (hist.done.length && !lst(hist.done).ranges) {
		      return lst(hist.done)
		    } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
		      hist.done.pop();
		      return lst(hist.done)
		    }
		  }

		  // Register a change in the history. Merges changes that are within
		  // a single operation, or are close together with an origin that
		  // allows merging (starting with "+") into a single event.
		  function addChangeToHistory(doc, change, selAfter, opId) {
		    var hist = doc.history;
		    hist.undone.length = 0;
		    var time = +new Date, cur;
		    var last;

		    if ((hist.lastOp == opId ||
		         hist.lastOrigin == change.origin && change.origin &&
		         ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) ||
		          change.origin.charAt(0) == "*")) &&
		        (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
		      // Merge this change into the last event
		      last = lst(cur.changes);
		      if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
		        // Optimized case for simple insertion -- don't want to add
		        // new changesets for every character typed
		        last.to = changeEnd(change);
		      } else {
		        // Add new sub-event
		        cur.changes.push(historyChangeFromChange(doc, change));
		      }
		    } else {
		      // Can not be merged, start a new event.
		      var before = lst(hist.done);
		      if (!before || !before.ranges)
		        { pushSelectionToHistory(doc.sel, hist.done); }
		      cur = {changes: [historyChangeFromChange(doc, change)],
		             generation: hist.generation};
		      hist.done.push(cur);
		      while (hist.done.length > hist.undoDepth) {
		        hist.done.shift();
		        if (!hist.done[0].ranges) { hist.done.shift(); }
		      }
		    }
		    hist.done.push(selAfter);
		    hist.generation = ++hist.maxGeneration;
		    hist.lastModTime = hist.lastSelTime = time;
		    hist.lastOp = hist.lastSelOp = opId;
		    hist.lastOrigin = hist.lastSelOrigin = change.origin;

		    if (!last) { signal(doc, "historyAdded"); }
		  }

		  function selectionEventCanBeMerged(doc, origin, prev, sel) {
		    var ch = origin.charAt(0);
		    return ch == "*" ||
		      ch == "+" &&
		      prev.ranges.length == sel.ranges.length &&
		      prev.somethingSelected() == sel.somethingSelected() &&
		      new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)
		  }

		  // Called whenever the selection changes, sets the new selection as
		  // the pending selection in the history, and pushes the old pending
		  // selection into the 'done' array when it was significantly
		  // different (in number of selected ranges, emptiness, or time).
		  function addSelectionToHistory(doc, sel, opId, options) {
		    var hist = doc.history, origin = options && options.origin;

		    // A new event is started when the previous origin does not match
		    // the current, or the origins don't allow matching. Origins
		    // starting with * are always merged, those starting with + are
		    // merged when similar and close together in time.
		    if (opId == hist.lastSelOp ||
		        (origin && hist.lastSelOrigin == origin &&
		         (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
		          selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
		      { hist.done[hist.done.length - 1] = sel; }
		    else
		      { pushSelectionToHistory(sel, hist.done); }

		    hist.lastSelTime = +new Date;
		    hist.lastSelOrigin = origin;
		    hist.lastSelOp = opId;
		    if (options && options.clearRedo !== false)
		      { clearSelectionEvents(hist.undone); }
		  }

		  function pushSelectionToHistory(sel, dest) {
		    var top = lst(dest);
		    if (!(top && top.ranges && top.equals(sel)))
		      { dest.push(sel); }
		  }

		  // Used to store marked span information in the history.
		  function attachLocalSpans(doc, change, from, to) {
		    var existing = change["spans_" + doc.id], n = 0;
		    doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {
		      if (line.markedSpans)
		        { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; }
		      ++n;
		    });
		  }

		  // When un/re-doing restores text containing marked spans, those
		  // that have been explicitly cleared should not be restored.
		  function removeClearedSpans(spans) {
		    if (!spans) { return null }
		    var out;
		    for (var i = 0; i < spans.length; ++i) {
		      if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }
		      else if (out) { out.push(spans[i]); }
		    }
		    return !out ? spans : out.length ? out : null
		  }

		  // Retrieve and filter the old marked spans stored in a change event.
		  function getOldSpans(doc, change) {
		    var found = change["spans_" + doc.id];
		    if (!found) { return null }
		    var nw = [];
		    for (var i = 0; i < change.text.length; ++i)
		      { nw.push(removeClearedSpans(found[i])); }
		    return nw
		  }

		  // Used for un/re-doing changes from the history. Combines the
		  // result of computing the existing spans with the set of spans that
		  // existed in the history (so that deleting around a span and then
		  // undoing brings back the span).
		  function mergeOldSpans(doc, change) {
		    var old = getOldSpans(doc, change);
		    var stretched = stretchSpansOverChange(doc, change);
		    if (!old) { return stretched }
		    if (!stretched) { return old }

		    for (var i = 0; i < old.length; ++i) {
		      var oldCur = old[i], stretchCur = stretched[i];
		      if (oldCur && stretchCur) {
		        spans: for (var j = 0; j < stretchCur.length; ++j) {
		          var span = stretchCur[j];
		          for (var k = 0; k < oldCur.length; ++k)
		            { if (oldCur[k].marker == span.marker) { continue spans } }
		          oldCur.push(span);
		        }
		      } else if (stretchCur) {
		        old[i] = stretchCur;
		      }
		    }
		    return old
		  }

		  // Used both to provide a JSON-safe object in .getHistory, and, when
		  // detaching a document, to split the history in two
		  function copyHistoryArray(events, newGroup, instantiateSel) {
		    var copy = [];
		    for (var i = 0; i < events.length; ++i) {
		      var event = events[i];
		      if (event.ranges) {
		        copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
		        continue
		      }
		      var changes = event.changes, newChanges = [];
		      copy.push({changes: newChanges});
		      for (var j = 0; j < changes.length; ++j) {
		        var change = changes[j], m = (void 0);
		        newChanges.push({from: change.from, to: change.to, text: change.text});
		        if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) {
		          if (indexOf(newGroup, Number(m[1])) > -1) {
		            lst(newChanges)[prop] = change[prop];
		            delete change[prop];
		          }
		        } } }
		      }
		    }
		    return copy
		  }

		  // The 'scroll' parameter given to many of these indicated whether
		  // the new cursor position should be scrolled into view after
		  // modifying the selection.

		  // If shift is held or the extend flag is set, extends a range to
		  // include a given position (and optionally a second position).
		  // Otherwise, simply returns the range between the given positions.
		  // Used for cursor motion and such.
		  function extendRange(range, head, other, extend) {
		    if (extend) {
		      var anchor = range.anchor;
		      if (other) {
		        var posBefore = cmp(head, anchor) < 0;
		        if (posBefore != (cmp(other, anchor) < 0)) {
		          anchor = head;
		          head = other;
		        } else if (posBefore != (cmp(head, other) < 0)) {
		          head = other;
		        }
		      }
		      return new Range(anchor, head)
		    } else {
		      return new Range(other || head, head)
		    }
		  }

		  // Extend the primary selection range, discard the rest.
		  function extendSelection(doc, head, other, options, extend) {
		    if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }
		    setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);
		  }

		  // Extend all selections (pos is an array of selections with length
		  // equal the number of selections)
		  function extendSelections(doc, heads, options) {
		    var out = [];
		    var extend = doc.cm && (doc.cm.display.shift || doc.extend);
		    for (var i = 0; i < doc.sel.ranges.length; i++)
		      { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }
		    var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex);
		    setSelection(doc, newSel, options);
		  }

		  // Updates a single range in the selection.
		  function replaceOneSelection(doc, i, range, options) {
		    var ranges = doc.sel.ranges.slice(0);
		    ranges[i] = range;
		    setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options);
		  }

		  // Reset the selection to a single range.
		  function setSimpleSelection(doc, anchor, head, options) {
		    setSelection(doc, simpleSelection(anchor, head), options);
		  }

		  // Give beforeSelectionChange handlers a change to influence a
		  // selection update.
		  function filterSelectionChange(doc, sel, options) {
		    var obj = {
		      ranges: sel.ranges,
		      update: function(ranges) {
		        this.ranges = [];
		        for (var i = 0; i < ranges.length; i++)
		          { this.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
		                                     clipPos(doc, ranges[i].head)); }
		      },
		      origin: options && options.origin
		    };
		    signal(doc, "beforeSelectionChange", doc, obj);
		    if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); }
		    if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) }
		    else { return sel }
		  }

		  function setSelectionReplaceHistory(doc, sel, options) {
		    var done = doc.history.done, last = lst(done);
		    if (last && last.ranges) {
		      done[done.length - 1] = sel;
		      setSelectionNoUndo(doc, sel, options);
		    } else {
		      setSelection(doc, sel, options);
		    }
		  }

		  // Set a new selection.
		  function setSelection(doc, sel, options) {
		    setSelectionNoUndo(doc, sel, options);
		    addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
		  }

		  function setSelectionNoUndo(doc, sel, options) {
		    if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
		      { sel = filterSelectionChange(doc, sel, options); }

		    var bias = options && options.bias ||
		      (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
		    setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));

		    if (!(options && options.scroll === false) && doc.cm && doc.cm.getOption("readOnly") != "nocursor")
		      { ensureCursorVisible(doc.cm); }
		  }

		  function setSelectionInner(doc, sel) {
		    if (sel.equals(doc.sel)) { return }

		    doc.sel = sel;

		    if (doc.cm) {
		      doc.cm.curOp.updateInput = 1;
		      doc.cm.curOp.selectionChanged = true;
		      signalCursorActivity(doc.cm);
		    }
		    signalLater(doc, "cursorActivity", doc);
		  }

		  // Verify that the selection does not partially select any atomic
		  // marked ranges.
		  function reCheckSelection(doc) {
		    setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));
		  }

		  // Return a selection that does not partially select any atomic
		  // ranges.
		  function skipAtomicInSelection(doc, sel, bias, mayClear) {
		    var out;
		    for (var i = 0; i < sel.ranges.length; i++) {
		      var range = sel.ranges[i];
		      var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
		      var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
		      var newHead = range.head == range.anchor ? newAnchor : skipAtomic(doc, range.head, old && old.head, bias, mayClear);
		      if (out || newAnchor != range.anchor || newHead != range.head) {
		        if (!out) { out = sel.ranges.slice(0, i); }
		        out[i] = new Range(newAnchor, newHead);
		      }
		    }
		    return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel
		  }

		  function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
		    var line = getLine(doc, pos.line);
		    if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
		      var sp = line.markedSpans[i], m = sp.marker;

		      // Determine if we should prevent the cursor being placed to the left/right of an atomic marker
		      // Historically this was determined using the inclusiveLeft/Right option, but the new way to control it
		      // is with selectLeft/Right
		      var preventCursorLeft = ("selectLeft" in m) ? !m.selectLeft : m.inclusiveLeft;
		      var preventCursorRight = ("selectRight" in m) ? !m.selectRight : m.inclusiveRight;

		      if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
		          (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
		        if (mayClear) {
		          signal(m, "beforeCursorEnter");
		          if (m.explicitlyCleared) {
		            if (!line.markedSpans) { break }
		            else {--i; continue}
		          }
		        }
		        if (!m.atomic) { continue }

		        if (oldPos) {
		          var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);
		          if (dir < 0 ? preventCursorRight : preventCursorLeft)
		            { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }
		          if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
		            { return skipAtomicInner(doc, near, pos, dir, mayClear) }
		        }

		        var far = m.find(dir < 0 ? -1 : 1);
		        if (dir < 0 ? preventCursorLeft : preventCursorRight)
		          { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }
		        return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null
		      }
		    } }
		    return pos
		  }

		  // Ensure a given position is not inside an atomic range.
		  function skipAtomic(doc, pos, oldPos, bias, mayClear) {
		    var dir = bias || 1;
		    var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
		        (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
		        skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
		        (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
		    if (!found) {
		      doc.cantEdit = true;
		      return Pos(doc.first, 0)
		    }
		    return found
		  }

		  function movePos(doc, pos, dir, line) {
		    if (dir < 0 && pos.ch == 0) {
		      if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }
		      else { return null }
		    } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
		      if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }
		      else { return null }
		    } else {
		      return new Pos(pos.line, pos.ch + dir)
		    }
		  }

		  function selectAll(cm) {
		    cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);
		  }

		  // UPDATING

		  // Allow "beforeChange" event handlers to influence a change
		  function filterChange(doc, change, update) {
		    var obj = {
		      canceled: false,
		      from: change.from,
		      to: change.to,
		      text: change.text,
		      origin: change.origin,
		      cancel: function () { return obj.canceled = true; }
		    };
		    if (update) { obj.update = function (from, to, text, origin) {
		      if (from) { obj.from = clipPos(doc, from); }
		      if (to) { obj.to = clipPos(doc, to); }
		      if (text) { obj.text = text; }
		      if (origin !== undefined) { obj.origin = origin; }
		    }; }
		    signal(doc, "beforeChange", doc, obj);
		    if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); }

		    if (obj.canceled) {
		      if (doc.cm) { doc.cm.curOp.updateInput = 2; }
		      return null
		    }
		    return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}
		  }

		  // Apply a change to a document, and add it to the document's
		  // history, and propagating it to all linked documents.
		  function makeChange(doc, change, ignoreReadOnly) {
		    if (doc.cm) {
		      if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }
		      if (doc.cm.state.suppressEdits) { return }
		    }

		    if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
		      change = filterChange(doc, change, true);
		      if (!change) { return }
		    }

		    // Possibly split or suppress the update based on the presence
		    // of read-only spans in its range.
		    var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
		    if (split) {
		      for (var i = split.length - 1; i >= 0; --i)
		        { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); }
		    } else {
		      makeChangeInner(doc, change);
		    }
		  }

		  function makeChangeInner(doc, change) {
		    if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }
		    var selAfter = computeSelAfterChange(doc, change);
		    addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);

		    makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
		    var rebased = [];

		    linkedDocs(doc, function (doc, sharedHist) {
		      if (!sharedHist && indexOf(rebased, doc.history) == -1) {
		        rebaseHist(doc.history, change);
		        rebased.push(doc.history);
		      }
		      makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
		    });
		  }

		  // Revert a change stored in a document's history.
		  function makeChangeFromHistory(doc, type, allowSelectionOnly) {
		    var suppress = doc.cm && doc.cm.state.suppressEdits;
		    if (suppress && !allowSelectionOnly) { return }

		    var hist = doc.history, event, selAfter = doc.sel;
		    var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;

		    // Verify that there is a useable event (so that ctrl-z won't
		    // needlessly clear selection events)
		    var i = 0;
		    for (; i < source.length; i++) {
		      event = source[i];
		      if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
		        { break }
		    }
		    if (i == source.length) { return }
		    hist.lastOrigin = hist.lastSelOrigin = null;

		    for (;;) {
		      event = source.pop();
		      if (event.ranges) {
		        pushSelectionToHistory(event, dest);
		        if (allowSelectionOnly && !event.equals(doc.sel)) {
		          setSelection(doc, event, {clearRedo: false});
		          return
		        }
		        selAfter = event;
		      } else if (suppress) {
		        source.push(event);
		        return
		      } else { break }
		    }

		    // Build up a reverse change object to add to the opposite history
		    // stack (redo when undoing, and vice versa).
		    var antiChanges = [];
		    pushSelectionToHistory(selAfter, dest);
		    dest.push({changes: antiChanges, generation: hist.generation});
		    hist.generation = event.generation || ++hist.maxGeneration;

		    var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");

		    var loop = function ( i ) {
		      var change = event.changes[i];
		      change.origin = type;
		      if (filter && !filterChange(doc, change, false)) {
		        source.length = 0;
		        return {}
		      }

		      antiChanges.push(historyChangeFromChange(doc, change));

		      var after = i ? computeSelAfterChange(doc, change) : lst(source);
		      makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
		      if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }
		      var rebased = [];

		      // Propagate to the linked documents
		      linkedDocs(doc, function (doc, sharedHist) {
		        if (!sharedHist && indexOf(rebased, doc.history) == -1) {
		          rebaseHist(doc.history, change);
		          rebased.push(doc.history);
		        }
		        makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
		      });
		    };

		    for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {
		      var returned = loop( i$1 );

		      if ( returned ) return returned.v;
		    }
		  }

		  // Sub-views need their line numbers shifted when text is added
		  // above or below them in the parent document.
		  function shiftDoc(doc, distance) {
		    if (distance == 0) { return }
		    doc.first += distance;
		    doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(
		      Pos(range.anchor.line + distance, range.anchor.ch),
		      Pos(range.head.line + distance, range.head.ch)
		    ); }), doc.sel.primIndex);
		    if (doc.cm) {
		      regChange(doc.cm, doc.first, doc.first - distance, distance);
		      for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
		        { regLineChange(doc.cm, l, "gutter"); }
		    }
		  }

		  // More lower-level change function, handling only a single document
		  // (not linked ones).
		  function makeChangeSingleDoc(doc, change, selAfter, spans) {
		    if (doc.cm && !doc.cm.curOp)
		      { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }

		    if (change.to.line < doc.first) {
		      shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
		      return
		    }
		    if (change.from.line > doc.lastLine()) { return }

		    // Clip the change to the size of this doc
		    if (change.from.line < doc.first) {
		      var shift = change.text.length - 1 - (doc.first - change.from.line);
		      shiftDoc(doc, shift);
		      change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
		                text: [lst(change.text)], origin: change.origin};
		    }
		    var last = doc.lastLine();
		    if (change.to.line > last) {
		      change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
		                text: [change.text[0]], origin: change.origin};
		    }

		    change.removed = getBetween(doc, change.from, change.to);

		    if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }
		    if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }
		    else { updateDoc(doc, change, spans); }
		    setSelectionNoUndo(doc, selAfter, sel_dontScroll);

		    if (doc.cantEdit && skipAtomic(doc, Pos(doc.firstLine(), 0)))
		      { doc.cantEdit = false; }
		  }

		  // Handle the interaction of a change to a document with the editor
		  // that this document is part of.
		  function makeChangeSingleDocInEditor(cm, change, spans) {
		    var doc = cm.doc, display = cm.display, from = change.from, to = change.to;

		    var recomputeMaxLength = false, checkWidthStart = from.line;
		    if (!cm.options.lineWrapping) {
		      checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
		      doc.iter(checkWidthStart, to.line + 1, function (line) {
		        if (line == display.maxLine) {
		          recomputeMaxLength = true;
		          return true
		        }
		      });
		    }

		    if (doc.sel.contains(change.from, change.to) > -1)
		      { signalCursorActivity(cm); }

		    updateDoc(doc, change, spans, estimateHeight(cm));

		    if (!cm.options.lineWrapping) {
		      doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
		        var len = lineLength(line);
		        if (len > display.maxLineLength) {
		          display.maxLine = line;
		          display.maxLineLength = len;
		          display.maxLineChanged = true;
		          recomputeMaxLength = false;
		        }
		      });
		      if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }
		    }

		    retreatFrontier(doc, from.line);
		    startWorker(cm, 400);

		    var lendiff = change.text.length - (to.line - from.line) - 1;
		    // Remember that these lines changed, for updating the display
		    if (change.full)
		      { regChange(cm); }
		    else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
		      { regLineChange(cm, from.line, "text"); }
		    else
		      { regChange(cm, from.line, to.line + 1, lendiff); }

		    var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
		    if (changeHandler || changesHandler) {
		      var obj = {
		        from: from, to: to,
		        text: change.text,
		        removed: change.removed,
		        origin: change.origin
		      };
		      if (changeHandler) { signalLater(cm, "change", cm, obj); }
		      if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }
		    }
		    cm.display.selForContextMenu = null;
		  }

		  function replaceRange(doc, code, from, to, origin) {
		    var assign;

		    if (!to) { to = from; }
		    if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); }
		    if (typeof code == "string") { code = doc.splitLines(code); }
		    makeChange(doc, {from: from, to: to, text: code, origin: origin});
		  }

		  // Rebasing/resetting history to deal with externally-sourced changes

		  function rebaseHistSelSingle(pos, from, to, diff) {
		    if (to < pos.line) {
		      pos.line += diff;
		    } else if (from < pos.line) {
		      pos.line = from;
		      pos.ch = 0;
		    }
		  }

		  // Tries to rebase an array of history events given a change in the
		  // document. If the change touches the same lines as the event, the
		  // event, and everything 'behind' it, is discarded. If the change is
		  // before the event, the event's positions are updated. Uses a
		  // copy-on-write scheme for the positions, to avoid having to
		  // reallocate them all on every rebase, but also avoid problems with
		  // shared position objects being unsafely updated.
		  function rebaseHistArray(array, from, to, diff) {
		    for (var i = 0; i < array.length; ++i) {
		      var sub = array[i], ok = true;
		      if (sub.ranges) {
		        if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
		        for (var j = 0; j < sub.ranges.length; j++) {
		          rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
		          rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
		        }
		        continue
		      }
		      for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {
		        var cur = sub.changes[j$1];
		        if (to < cur.from.line) {
		          cur.from = Pos(cur.from.line + diff, cur.from.ch);
		          cur.to = Pos(cur.to.line + diff, cur.to.ch);
		        } else if (from <= cur.to.line) {
		          ok = false;
		          break
		        }
		      }
		      if (!ok) {
		        array.splice(0, i + 1);
		        i = 0;
		      }
		    }
		  }

		  function rebaseHist(hist, change) {
		    var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
		    rebaseHistArray(hist.done, from, to, diff);
		    rebaseHistArray(hist.undone, from, to, diff);
		  }

		  // Utility for applying a change to a line by handle or number,
		  // returning the number and optionally registering the line as
		  // changed.
		  function changeLine(doc, handle, changeType, op) {
		    var no = handle, line = handle;
		    if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); }
		    else { no = lineNo(handle); }
		    if (no == null) { return null }
		    if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }
		    return line
		  }

		  // The document is represented as a BTree consisting of leaves, with
		  // chunk of lines in them, and branches, with up to ten leaves or
		  // other branch nodes below them. The top node is always a branch
		  // node, and is the document object itself (meaning it has
		  // additional methods and properties).
		  //
		  // All nodes have parent links. The tree is used both to go from
		  // line numbers to line objects, and to go from objects to numbers.
		  // It also indexes by height, and is used to convert between height
		  // and line object, and to find the total height of the document.
		  //
		  // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html

		  function LeafChunk(lines) {
		    this.lines = lines;
		    this.parent = null;
		    var height = 0;
		    for (var i = 0; i < lines.length; ++i) {
		      lines[i].parent = this;
		      height += lines[i].height;
		    }
		    this.height = height;
		  }

		  LeafChunk.prototype = {
		    chunkSize: function() { return this.lines.length },

		    // Remove the n lines at offset 'at'.
		    removeInner: function(at, n) {
		      for (var i = at, e = at + n; i < e; ++i) {
		        var line = this.lines[i];
		        this.height -= line.height;
		        cleanUpLine(line);
		        signalLater(line, "delete");
		      }
		      this.lines.splice(at, n);
		    },

		    // Helper used to collapse a small branch into a single leaf.
		    collapse: function(lines) {
		      lines.push.apply(lines, this.lines);
		    },

		    // Insert the given array of lines at offset 'at', count them as
		    // having the given height.
		    insertInner: function(at, lines, height) {
		      this.height += height;
		      this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
		      for (var i = 0; i < lines.length; ++i) { lines[i].parent = this; }
		    },

		    // Used to iterate over a part of the tree.
		    iterN: function(at, n, op) {
		      for (var e = at + n; at < e; ++at)
		        { if (op(this.lines[at])) { return true } }
		    }
		  };

		  function BranchChunk(children) {
		    this.children = children;
		    var size = 0, height = 0;
		    for (var i = 0; i < children.length; ++i) {
		      var ch = children[i];
		      size += ch.chunkSize(); height += ch.height;
		      ch.parent = this;
		    }
		    this.size = size;
		    this.height = height;
		    this.parent = null;
		  }

		  BranchChunk.prototype = {
		    chunkSize: function() { return this.size },

		    removeInner: function(at, n) {
		      this.size -= n;
		      for (var i = 0; i < this.children.length; ++i) {
		        var child = this.children[i], sz = child.chunkSize();
		        if (at < sz) {
		          var rm = Math.min(n, sz - at), oldHeight = child.height;
		          child.removeInner(at, rm);
		          this.height -= oldHeight - child.height;
		          if (sz == rm) { this.children.splice(i--, 1); child.parent = null; }
		          if ((n -= rm) == 0) { break }
		          at = 0;
		        } else { at -= sz; }
		      }
		      // If the result is smaller than 25 lines, ensure that it is a
		      // single leaf node.
		      if (this.size - n < 25 &&
		          (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
		        var lines = [];
		        this.collapse(lines);
		        this.children = [new LeafChunk(lines)];
		        this.children[0].parent = this;
		      }
		    },

		    collapse: function(lines) {
		      for (var i = 0; i < this.children.length; ++i) { this.children[i].collapse(lines); }
		    },

		    insertInner: function(at, lines, height) {
		      this.size += lines.length;
		      this.height += height;
		      for (var i = 0; i < this.children.length; ++i) {
		        var child = this.children[i], sz = child.chunkSize();
		        if (at <= sz) {
		          child.insertInner(at, lines, height);
		          if (child.lines && child.lines.length > 50) {
		            // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
		            // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
		            var remaining = child.lines.length % 25 + 25;
		            for (var pos = remaining; pos < child.lines.length;) {
		              var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));
		              child.height -= leaf.height;
		              this.children.splice(++i, 0, leaf);
		              leaf.parent = this;
		            }
		            child.lines = child.lines.slice(0, remaining);
		            this.maybeSpill();
		          }
		          break
		        }
		        at -= sz;
		      }
		    },

		    // When a node has grown, check whether it should be split.
		    maybeSpill: function() {
		      if (this.children.length <= 10) { return }
		      var me = this;
		      do {
		        var spilled = me.children.splice(me.children.length - 5, 5);
		        var sibling = new BranchChunk(spilled);
		        if (!me.parent) { // Become the parent node
		          var copy = new BranchChunk(me.children);
		          copy.parent = me;
		          me.children = [copy, sibling];
		          me = copy;
		       } else {
		          me.size -= sibling.size;
		          me.height -= sibling.height;
		          var myIndex = indexOf(me.parent.children, me);
		          me.parent.children.splice(myIndex + 1, 0, sibling);
		        }
		        sibling.parent = me.parent;
		      } while (me.children.length > 10)
		      me.parent.maybeSpill();
		    },

		    iterN: function(at, n, op) {
		      for (var i = 0; i < this.children.length; ++i) {
		        var child = this.children[i], sz = child.chunkSize();
		        if (at < sz) {
		          var used = Math.min(n, sz - at);
		          if (child.iterN(at, used, op)) { return true }
		          if ((n -= used) == 0) { break }
		          at = 0;
		        } else { at -= sz; }
		      }
		    }
		  };

		  // Line widgets are block elements displayed above or below a line.

		  var LineWidget = function(doc, node, options) {
		    if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))
		      { this[opt] = options[opt]; } } }
		    this.doc = doc;
		    this.node = node;
		  };

		  LineWidget.prototype.clear = function () {
		    var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
		    if (no == null || !ws) { return }
		    for (var i = 0; i < ws.length; ++i) { if (ws[i] == this) { ws.splice(i--, 1); } }
		    if (!ws.length) { line.widgets = null; }
		    var height = widgetHeight(this);
		    updateLineHeight(line, Math.max(0, line.height - height));
		    if (cm) {
		      runInOp(cm, function () {
		        adjustScrollWhenAboveVisible(cm, line, -height);
		        regLineChange(cm, no, "widget");
		      });
		      signalLater(cm, "lineWidgetCleared", cm, this, no);
		    }
		  };

		  LineWidget.prototype.changed = function () {
		      var this$1$1 = this;

		    var oldH = this.height, cm = this.doc.cm, line = this.line;
		    this.height = null;
		    var diff = widgetHeight(this) - oldH;
		    if (!diff) { return }
		    if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); }
		    if (cm) {
		      runInOp(cm, function () {
		        cm.curOp.forceUpdate = true;
		        adjustScrollWhenAboveVisible(cm, line, diff);
		        signalLater(cm, "lineWidgetChanged", cm, this$1$1, lineNo(line));
		      });
		    }
		  };
		  eventMixin(LineWidget);

		  function adjustScrollWhenAboveVisible(cm, line, diff) {
		    if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
		      { addToScrollTop(cm, diff); }
		  }

		  function addLineWidget(doc, handle, node, options) {
		    var widget = new LineWidget(doc, node, options);
		    var cm = doc.cm;
		    if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }
		    changeLine(doc, handle, "widget", function (line) {
		      var widgets = line.widgets || (line.widgets = []);
		      if (widget.insertAt == null) { widgets.push(widget); }
		      else { widgets.splice(Math.min(widgets.length, Math.max(0, widget.insertAt)), 0, widget); }
		      widget.line = line;
		      if (cm && !lineIsHidden(doc, line)) {
		        var aboveVisible = heightAtLine(line) < doc.scrollTop;
		        updateLineHeight(line, line.height + widgetHeight(widget));
		        if (aboveVisible) { addToScrollTop(cm, widget.height); }
		        cm.curOp.forceUpdate = true;
		      }
		      return true
		    });
		    if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); }
		    return widget
		  }

		  // TEXTMARKERS

		  // Created with markText and setBookmark methods. A TextMarker is a
		  // handle that can be used to clear or find a marked position in the
		  // document. Line objects hold arrays (markedSpans) containing
		  // {from, to, marker} object pointing to such marker objects, and
		  // indicating that such a marker is present on that line. Multiple
		  // lines may point to the same marker when it spans across lines.
		  // The spans will have null for their from/to properties when the
		  // marker continues beyond the start/end of the line. Markers have
		  // links back to the lines they currently touch.

		  // Collapsed markers have unique ids, in order to be able to order
		  // them, which is needed for uniquely determining an outer marker
		  // when they overlap (they may nest, but not partially overlap).
		  var nextMarkerId = 0;

		  var TextMarker = function(doc, type) {
		    this.lines = [];
		    this.type = type;
		    this.doc = doc;
		    this.id = ++nextMarkerId;
		  };

		  // Clear the marker.
		  TextMarker.prototype.clear = function () {
		    if (this.explicitlyCleared) { return }
		    var cm = this.doc.cm, withOp = cm && !cm.curOp;
		    if (withOp) { startOperation(cm); }
		    if (hasHandler(this, "clear")) {
		      var found = this.find();
		      if (found) { signalLater(this, "clear", found.from, found.to); }
		    }
		    var min = null, max = null;
		    for (var i = 0; i < this.lines.length; ++i) {
		      var line = this.lines[i];
		      var span = getMarkedSpanFor(line.markedSpans, this);
		      if (cm && !this.collapsed) { regLineChange(cm, lineNo(line), "text"); }
		      else if (cm) {
		        if (span.to != null) { max = lineNo(line); }
		        if (span.from != null) { min = lineNo(line); }
		      }
		      line.markedSpans = removeMarkedSpan(line.markedSpans, span);
		      if (span.from == null && this.collapsed && !lineIsHidden(this.doc, line) && cm)
		        { updateLineHeight(line, textHeight(cm.display)); }
		    }
		    if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {
		      var visual = visualLine(this.lines[i$1]), len = lineLength(visual);
		      if (len > cm.display.maxLineLength) {
		        cm.display.maxLine = visual;
		        cm.display.maxLineLength = len;
		        cm.display.maxLineChanged = true;
		      }
		    } }

		    if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }
		    this.lines.length = 0;
		    this.explicitlyCleared = true;
		    if (this.atomic && this.doc.cantEdit) {
		      this.doc.cantEdit = false;
		      if (cm) { reCheckSelection(cm.doc); }
		    }
		    if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); }
		    if (withOp) { endOperation(cm); }
		    if (this.parent) { this.parent.clear(); }
		  };

		  // Find the position of the marker in the document. Returns a {from,
		  // to} object by default. Side can be passed to get a specific side
		  // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
		  // Pos objects returned contain a line object, rather than a line
		  // number (used to prevent looking up the same line twice).
		  TextMarker.prototype.find = function (side, lineObj) {
		    if (side == null && this.type == "bookmark") { side = 1; }
		    var from, to;
		    for (var i = 0; i < this.lines.length; ++i) {
		      var line = this.lines[i];
		      var span = getMarkedSpanFor(line.markedSpans, this);
		      if (span.from != null) {
		        from = Pos(lineObj ? line : lineNo(line), span.from);
		        if (side == -1) { return from }
		      }
		      if (span.to != null) {
		        to = Pos(lineObj ? line : lineNo(line), span.to);
		        if (side == 1) { return to }
		      }
		    }
		    return from && {from: from, to: to}
		  };

		  // Signals that the marker's widget changed, and surrounding layout
		  // should be recomputed.
		  TextMarker.prototype.changed = function () {
		      var this$1$1 = this;

		    var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
		    if (!pos || !cm) { return }
		    runInOp(cm, function () {
		      var line = pos.line, lineN = lineNo(pos.line);
		      var view = findViewForLine(cm, lineN);
		      if (view) {
		        clearLineMeasurementCacheFor(view);
		        cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
		      }
		      cm.curOp.updateMaxLine = true;
		      if (!lineIsHidden(widget.doc, line) && widget.height != null) {
		        var oldHeight = widget.height;
		        widget.height = null;
		        var dHeight = widgetHeight(widget) - oldHeight;
		        if (dHeight)
		          { updateLineHeight(line, line.height + dHeight); }
		      }
		      signalLater(cm, "markerChanged", cm, this$1$1);
		    });
		  };

		  TextMarker.prototype.attachLine = function (line) {
		    if (!this.lines.length && this.doc.cm) {
		      var op = this.doc.cm.curOp;
		      if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
		        { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }
		    }
		    this.lines.push(line);
		  };

		  TextMarker.prototype.detachLine = function (line) {
		    this.lines.splice(indexOf(this.lines, line), 1);
		    if (!this.lines.length && this.doc.cm) {
		      var op = this.doc.cm.curOp
		      ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
		    }
		  };
		  eventMixin(TextMarker);

		  // Create a marker, wire it up to the right lines, and
		  function markText(doc, from, to, options, type) {
		    // Shared markers (across linked documents) are handled separately
		    // (markTextShared will call out to this again, once per
		    // document).
		    if (options && options.shared) { return markTextShared(doc, from, to, options, type) }
		    // Ensure we are in an operation.
		    if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }

		    var marker = new TextMarker(doc, type), diff = cmp(from, to);
		    if (options) { copyObj(options, marker, false); }
		    // Don't connect empty markers unless clearWhenEmpty is false
		    if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
		      { return marker }
		    if (marker.replacedWith) {
		      // Showing up as a widget implies collapsed (widget replaces text)
		      marker.collapsed = true;
		      marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");
		      if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); }
		      if (options.insertLeft) { marker.widgetNode.insertLeft = true; }
		    }
		    if (marker.collapsed) {
		      if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
		          from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
		        { throw new Error("Inserting collapsed marker partially overlapping an existing one") }
		      seeCollapsedSpans();
		    }

		    if (marker.addToHistory)
		      { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); }

		    var curLine = from.line, cm = doc.cm, updateMaxLine;
		    doc.iter(curLine, to.line + 1, function (line) {
		      if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
		        { updateMaxLine = true; }
		      if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }
		      addMarkedSpan(line, new MarkedSpan(marker,
		                                         curLine == from.line ? from.ch : null,
		                                         curLine == to.line ? to.ch : null), doc.cm && doc.cm.curOp);
		      ++curLine;
		    });
		    // lineIsHidden depends on the presence of the spans, so needs a second pass
		    if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {
		      if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }
		    }); }

		    if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); }

		    if (marker.readOnly) {
		      seeReadOnlySpans();
		      if (doc.history.done.length || doc.history.undone.length)
		        { doc.clearHistory(); }
		    }
		    if (marker.collapsed) {
		      marker.id = ++nextMarkerId;
		      marker.atomic = true;
		    }
		    if (cm) {
		      // Sync editor state
		      if (updateMaxLine) { cm.curOp.updateMaxLine = true; }
		      if (marker.collapsed)
		        { regChange(cm, from.line, to.line + 1); }
		      else if (marker.className || marker.startStyle || marker.endStyle || marker.css ||
		               marker.attributes || marker.title)
		        { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } }
		      if (marker.atomic) { reCheckSelection(cm.doc); }
		      signalLater(cm, "markerAdded", cm, marker);
		    }
		    return marker
		  }

		  // SHARED TEXTMARKERS

		  // A shared marker spans multiple linked documents. It is
		  // implemented as a meta-marker-object controlling multiple normal
		  // markers.
		  var SharedTextMarker = function(markers, primary) {
		    this.markers = markers;
		    this.primary = primary;
		    for (var i = 0; i < markers.length; ++i)
		      { markers[i].parent = this; }
		  };

		  SharedTextMarker.prototype.clear = function () {
		    if (this.explicitlyCleared) { return }
		    this.explicitlyCleared = true;
		    for (var i = 0; i < this.markers.length; ++i)
		      { this.markers[i].clear(); }
		    signalLater(this, "clear");
		  };

		  SharedTextMarker.prototype.find = function (side, lineObj) {
		    return this.primary.find(side, lineObj)
		  };
		  eventMixin(SharedTextMarker);

		  function markTextShared(doc, from, to, options, type) {
		    options = copyObj(options);
		    options.shared = false;
		    var markers = [markText(doc, from, to, options, type)], primary = markers[0];
		    var widget = options.widgetNode;
		    linkedDocs(doc, function (doc) {
		      if (widget) { options.widgetNode = widget.cloneNode(true); }
		      markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
		      for (var i = 0; i < doc.linked.length; ++i)
		        { if (doc.linked[i].isParent) { return } }
		      primary = lst(markers);
		    });
		    return new SharedTextMarker(markers, primary)
		  }

		  function findSharedMarkers(doc) {
		    return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })
		  }

		  function copySharedMarkers(doc, markers) {
		    for (var i = 0; i < markers.length; i++) {
		      var marker = markers[i], pos = marker.find();
		      var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
		      if (cmp(mFrom, mTo)) {
		        var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
		        marker.markers.push(subMark);
		        subMark.parent = marker;
		      }
		    }
		  }

		  function detachSharedMarkers(markers) {
		    var loop = function ( i ) {
		      var marker = markers[i], linked = [marker.primary.doc];
		      linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });
		      for (var j = 0; j < marker.markers.length; j++) {
		        var subMarker = marker.markers[j];
		        if (indexOf(linked, subMarker.doc) == -1) {
		          subMarker.parent = null;
		          marker.markers.splice(j--, 1);
		        }
		      }
		    };

		    for (var i = 0; i < markers.length; i++) loop( i );
		  }

		  var nextDocId = 0;
		  var Doc = function(text, mode, firstLine, lineSep, direction) {
		    if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }
		    if (firstLine == null) { firstLine = 0; }

		    BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
		    this.first = firstLine;
		    this.scrollTop = this.scrollLeft = 0;
		    this.cantEdit = false;
		    this.cleanGeneration = 1;
		    this.modeFrontier = this.highlightFrontier = firstLine;
		    var start = Pos(firstLine, 0);
		    this.sel = simpleSelection(start);
		    this.history = new History(null);
		    this.id = ++nextDocId;
		    this.modeOption = mode;
		    this.lineSep = lineSep;
		    this.direction = (direction == "rtl") ? "rtl" : "ltr";
		    this.extend = false;

		    if (typeof text == "string") { text = this.splitLines(text); }
		    updateDoc(this, {from: start, to: start, text: text});
		    setSelection(this, simpleSelection(start), sel_dontScroll);
		  };

		  Doc.prototype = createObj(BranchChunk.prototype, {
		    constructor: Doc,
		    // Iterate over the document. Supports two forms -- with only one
		    // argument, it calls that for each line in the document. With
		    // three, it iterates over the range given by the first two (with
		    // the second being non-inclusive).
		    iter: function(from, to, op) {
		      if (op) { this.iterN(from - this.first, to - from, op); }
		      else { this.iterN(this.first, this.first + this.size, from); }
		    },

		    // Non-public interface for adding and removing lines.
		    insert: function(at, lines) {
		      var height = 0;
		      for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }
		      this.insertInner(at - this.first, lines, height);
		    },
		    remove: function(at, n) { this.removeInner(at - this.first, n); },

		    // From here, the methods are part of the public interface. Most
		    // are also available from CodeMirror (editor) instances.

		    getValue: function(lineSep) {
		      var lines = getLines(this, this.first, this.first + this.size);
		      if (lineSep === false) { return lines }
		      return lines.join(lineSep || this.lineSeparator())
		    },
		    setValue: docMethodOp(function(code) {
		      var top = Pos(this.first, 0), last = this.first + this.size - 1;
		      makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
		                        text: this.splitLines(code), origin: "setValue", full: true}, true);
		      if (this.cm) { scrollToCoords(this.cm, 0, 0); }
		      setSelection(this, simpleSelection(top), sel_dontScroll);
		    }),
		    replaceRange: function(code, from, to, origin) {
		      from = clipPos(this, from);
		      to = to ? clipPos(this, to) : from;
		      replaceRange(this, code, from, to, origin);
		    },
		    getRange: function(from, to, lineSep) {
		      var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
		      if (lineSep === false) { return lines }
		      if (lineSep === '') { return lines.join('') }
		      return lines.join(lineSep || this.lineSeparator())
		    },

		    getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},

		    getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},
		    getLineNumber: function(line) {return lineNo(line)},

		    getLineHandleVisualStart: function(line) {
		      if (typeof line == "number") { line = getLine(this, line); }
		      return visualLine(line)
		    },

		    lineCount: function() {return this.size},
		    firstLine: function() {return this.first},
		    lastLine: function() {return this.first + this.size - 1},

		    clipPos: function(pos) {return clipPos(this, pos)},

		    getCursor: function(start) {
		      var range = this.sel.primary(), pos;
		      if (start == null || start == "head") { pos = range.head; }
		      else if (start == "anchor") { pos = range.anchor; }
		      else if (start == "end" || start == "to" || start === false) { pos = range.to(); }
		      else { pos = range.from(); }
		      return pos
		    },
		    listSelections: function() { return this.sel.ranges },
		    somethingSelected: function() {return this.sel.somethingSelected()},

		    setCursor: docMethodOp(function(line, ch, options) {
		      setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
		    }),
		    setSelection: docMethodOp(function(anchor, head, options) {
		      setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
		    }),
		    extendSelection: docMethodOp(function(head, other, options) {
		      extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
		    }),
		    extendSelections: docMethodOp(function(heads, options) {
		      extendSelections(this, clipPosArray(this, heads), options);
		    }),
		    extendSelectionsBy: docMethodOp(function(f, options) {
		      var heads = map(this.sel.ranges, f);
		      extendSelections(this, clipPosArray(this, heads), options);
		    }),
		    setSelections: docMethodOp(function(ranges, primary, options) {
		      if (!ranges.length) { return }
		      var out = [];
		      for (var i = 0; i < ranges.length; i++)
		        { out[i] = new Range(clipPos(this, ranges[i].anchor),
		                           clipPos(this, ranges[i].head || ranges[i].anchor)); }
		      if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }
		      setSelection(this, normalizeSelection(this.cm, out, primary), options);
		    }),
		    addSelection: docMethodOp(function(anchor, head, options) {
		      var ranges = this.sel.ranges.slice(0);
		      ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
		      setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options);
		    }),

		    getSelection: function(lineSep) {
		      var ranges = this.sel.ranges, lines;
		      for (var i = 0; i < ranges.length; i++) {
		        var sel = getBetween(this, ranges[i].from(), ranges[i].to());
		        lines = lines ? lines.concat(sel) : sel;
		      }
		      if (lineSep === false) { return lines }
		      else { return lines.join(lineSep || this.lineSeparator()) }
		    },
		    getSelections: function(lineSep) {
		      var parts = [], ranges = this.sel.ranges;
		      for (var i = 0; i < ranges.length; i++) {
		        var sel = getBetween(this, ranges[i].from(), ranges[i].to());
		        if (lineSep !== false) { sel = sel.join(lineSep || this.lineSeparator()); }
		        parts[i] = sel;
		      }
		      return parts
		    },
		    replaceSelection: function(code, collapse, origin) {
		      var dup = [];
		      for (var i = 0; i < this.sel.ranges.length; i++)
		        { dup[i] = code; }
		      this.replaceSelections(dup, collapse, origin || "+input");
		    },
		    replaceSelections: docMethodOp(function(code, collapse, origin) {
		      var changes = [], sel = this.sel;
		      for (var i = 0; i < sel.ranges.length; i++) {
		        var range = sel.ranges[i];
		        changes[i] = {from: range.from(), to: range.to(), text: this.splitLines(code[i]), origin: origin};
		      }
		      var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
		      for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)
		        { makeChange(this, changes[i$1]); }
		      if (newSel) { setSelectionReplaceHistory(this, newSel); }
		      else if (this.cm) { ensureCursorVisible(this.cm); }
		    }),
		    undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
		    redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
		    undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
		    redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),

		    setExtending: function(val) {this.extend = val;},
		    getExtending: function() {return this.extend},

		    historySize: function() {
		      var hist = this.history, done = 0, undone = 0;
		      for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }
		      for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }
		      return {undo: done, redo: undone}
		    },
		    clearHistory: function() {
		      var this$1$1 = this;

		      this.history = new History(this.history);
		      linkedDocs(this, function (doc) { return doc.history = this$1$1.history; }, true);
		    },

		    markClean: function() {
		      this.cleanGeneration = this.changeGeneration(true);
		    },
		    changeGeneration: function(forceSplit) {
		      if (forceSplit)
		        { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }
		      return this.history.generation
		    },
		    isClean: function (gen) {
		      return this.history.generation == (gen || this.cleanGeneration)
		    },

		    getHistory: function() {
		      return {done: copyHistoryArray(this.history.done),
		              undone: copyHistoryArray(this.history.undone)}
		    },
		    setHistory: function(histData) {
		      var hist = this.history = new History(this.history);
		      hist.done = copyHistoryArray(histData.done.slice(0), null, true);
		      hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
		    },

		    setGutterMarker: docMethodOp(function(line, gutterID, value) {
		      return changeLine(this, line, "gutter", function (line) {
		        var markers = line.gutterMarkers || (line.gutterMarkers = {});
		        markers[gutterID] = value;
		        if (!value && isEmpty(markers)) { line.gutterMarkers = null; }
		        return true
		      })
		    }),

		    clearGutter: docMethodOp(function(gutterID) {
		      var this$1$1 = this;

		      this.iter(function (line) {
		        if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
		          changeLine(this$1$1, line, "gutter", function () {
		            line.gutterMarkers[gutterID] = null;
		            if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }
		            return true
		          });
		        }
		      });
		    }),

		    lineInfo: function(line) {
		      var n;
		      if (typeof line == "number") {
		        if (!isLine(this, line)) { return null }
		        n = line;
		        line = getLine(this, line);
		        if (!line) { return null }
		      } else {
		        n = lineNo(line);
		        if (n == null) { return null }
		      }
		      return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
		              textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
		              widgets: line.widgets}
		    },

		    addLineClass: docMethodOp(function(handle, where, cls) {
		      return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
		        var prop = where == "text" ? "textClass"
		                 : where == "background" ? "bgClass"
		                 : where == "gutter" ? "gutterClass" : "wrapClass";
		        if (!line[prop]) { line[prop] = cls; }
		        else if (classTest(cls).test(line[prop])) { return false }
		        else { line[prop] += " " + cls; }
		        return true
		      })
		    }),
		    removeLineClass: docMethodOp(function(handle, where, cls) {
		      return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
		        var prop = where == "text" ? "textClass"
		                 : where == "background" ? "bgClass"
		                 : where == "gutter" ? "gutterClass" : "wrapClass";
		        var cur = line[prop];
		        if (!cur) { return false }
		        else if (cls == null) { line[prop] = null; }
		        else {
		          var found = cur.match(classTest(cls));
		          if (!found) { return false }
		          var end = found.index + found[0].length;
		          line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
		        }
		        return true
		      })
		    }),

		    addLineWidget: docMethodOp(function(handle, node, options) {
		      return addLineWidget(this, handle, node, options)
		    }),
		    removeLineWidget: function(widget) { widget.clear(); },

		    markText: function(from, to, options) {
		      return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
		    },
		    setBookmark: function(pos, options) {
		      var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
		                      insertLeft: options && options.insertLeft,
		                      clearWhenEmpty: false, shared: options && options.shared,
		                      handleMouseEvents: options && options.handleMouseEvents};
		      pos = clipPos(this, pos);
		      return markText(this, pos, pos, realOpts, "bookmark")
		    },
		    findMarksAt: function(pos) {
		      pos = clipPos(this, pos);
		      var markers = [], spans = getLine(this, pos.line).markedSpans;
		      if (spans) { for (var i = 0; i < spans.length; ++i) {
		        var span = spans[i];
		        if ((span.from == null || span.from <= pos.ch) &&
		            (span.to == null || span.to >= pos.ch))
		          { markers.push(span.marker.parent || span.marker); }
		      } }
		      return markers
		    },
		    findMarks: function(from, to, filter) {
		      from = clipPos(this, from); to = clipPos(this, to);
		      var found = [], lineNo = from.line;
		      this.iter(from.line, to.line + 1, function (line) {
		        var spans = line.markedSpans;
		        if (spans) { for (var i = 0; i < spans.length; i++) {
		          var span = spans[i];
		          if (!(span.to != null && lineNo == from.line && from.ch >= span.to ||
		                span.from == null && lineNo != from.line ||
		                span.from != null && lineNo == to.line && span.from >= to.ch) &&
		              (!filter || filter(span.marker)))
		            { found.push(span.marker.parent || span.marker); }
		        } }
		        ++lineNo;
		      });
		      return found
		    },
		    getAllMarks: function() {
		      var markers = [];
		      this.iter(function (line) {
		        var sps = line.markedSpans;
		        if (sps) { for (var i = 0; i < sps.length; ++i)
		          { if (sps[i].from != null) { markers.push(sps[i].marker); } } }
		      });
		      return markers
		    },

		    posFromIndex: function(off) {
		      var ch, lineNo = this.first, sepSize = this.lineSeparator().length;
		      this.iter(function (line) {
		        var sz = line.text.length + sepSize;
		        if (sz > off) { ch = off; return true }
		        off -= sz;
		        ++lineNo;
		      });
		      return clipPos(this, Pos(lineNo, ch))
		    },
		    indexFromPos: function (coords) {
		      coords = clipPos(this, coords);
		      var index = coords.ch;
		      if (coords.line < this.first || coords.ch < 0) { return 0 }
		      var sepSize = this.lineSeparator().length;
		      this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value
		        index += line.text.length + sepSize;
		      });
		      return index
		    },

		    copy: function(copyHistory) {
		      var doc = new Doc(getLines(this, this.first, this.first + this.size),
		                        this.modeOption, this.first, this.lineSep, this.direction);
		      doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
		      doc.sel = this.sel;
		      doc.extend = false;
		      if (copyHistory) {
		        doc.history.undoDepth = this.history.undoDepth;
		        doc.setHistory(this.getHistory());
		      }
		      return doc
		    },

		    linkedDoc: function(options) {
		      if (!options) { options = {}; }
		      var from = this.first, to = this.first + this.size;
		      if (options.from != null && options.from > from) { from = options.from; }
		      if (options.to != null && options.to < to) { to = options.to; }
		      var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);
		      if (options.sharedHist) { copy.history = this.history
		      ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
		      copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
		      copySharedMarkers(copy, findSharedMarkers(this));
		      return copy
		    },
		    unlinkDoc: function(other) {
		      if (other instanceof CodeMirror) { other = other.doc; }
		      if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {
		        var link = this.linked[i];
		        if (link.doc != other) { continue }
		        this.linked.splice(i, 1);
		        other.unlinkDoc(this);
		        detachSharedMarkers(findSharedMarkers(this));
		        break
		      } }
		      // If the histories were shared, split them again
		      if (other.history == this.history) {
		        var splitIds = [other.id];
		        linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);
		        other.history = new History(null);
		        other.history.done = copyHistoryArray(this.history.done, splitIds);
		        other.history.undone = copyHistoryArray(this.history.undone, splitIds);
		      }
		    },
		    iterLinkedDocs: function(f) {linkedDocs(this, f);},

		    getMode: function() {return this.mode},
		    getEditor: function() {return this.cm},

		    splitLines: function(str) {
		      if (this.lineSep) { return str.split(this.lineSep) }
		      return splitLinesAuto(str)
		    },
		    lineSeparator: function() { return this.lineSep || "\n" },

		    setDirection: docMethodOp(function (dir) {
		      if (dir != "rtl") { dir = "ltr"; }
		      if (dir == this.direction) { return }
		      this.direction = dir;
		      this.iter(function (line) { return line.order = null; });
		      if (this.cm) { directionChanged(this.cm); }
		    })
		  });

		  // Public alias.
		  Doc.prototype.eachLine = Doc.prototype.iter;

		  // Kludge to work around strange IE behavior where it'll sometimes
		  // re-fire a series of drag-related events right after the drop (#1551)
		  var lastDrop = 0;

		  function onDrop(e) {
		    var cm = this;
		    clearDragCursor(cm);
		    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
		      { return }
		    e_preventDefault(e);
		    if (ie) { lastDrop = +new Date; }
		    var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
		    if (!pos || cm.isReadOnly()) { return }
		    // Might be a file drop, in which case we simply extract the text
		    // and insert it.
		    if (files && files.length && window.FileReader && window.File) {
		      var n = files.length, text = Array(n), read = 0;
		      var markAsReadAndPasteIfAllFilesAreRead = function () {
		        if (++read == n) {
		          operation(cm, function () {
		            pos = clipPos(cm.doc, pos);
		            var change = {from: pos, to: pos,
		                          text: cm.doc.splitLines(
		                              text.filter(function (t) { return t != null; }).join(cm.doc.lineSeparator())),
		                          origin: "paste"};
		            makeChange(cm.doc, change);
		            setSelectionReplaceHistory(cm.doc, simpleSelection(clipPos(cm.doc, pos), clipPos(cm.doc, changeEnd(change))));
		          })();
		        }
		      };
		      var readTextFromFile = function (file, i) {
		        if (cm.options.allowDropFileTypes &&
		            indexOf(cm.options.allowDropFileTypes, file.type) == -1) {
		          markAsReadAndPasteIfAllFilesAreRead();
		          return
		        }
		        var reader = new FileReader;
		        reader.onerror = function () { return markAsReadAndPasteIfAllFilesAreRead(); };
		        reader.onload = function () {
		          var content = reader.result;
		          if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) {
		            markAsReadAndPasteIfAllFilesAreRead();
		            return
		          }
		          text[i] = content;
		          markAsReadAndPasteIfAllFilesAreRead();
		        };
		        reader.readAsText(file);
		      };
		      for (var i = 0; i < files.length; i++) { readTextFromFile(files[i], i); }
		    } else { // Normal drop
		      // Don't do a replace if the drop happened inside of the selected text.
		      if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
		        cm.state.draggingText(e);
		        // Ensure the editor is re-focused
		        setTimeout(function () { return cm.display.input.focus(); }, 20);
		        return
		      }
		      try {
		        var text$1 = e.dataTransfer.getData("Text");
		        if (text$1) {
		          var selected;
		          if (cm.state.draggingText && !cm.state.draggingText.copy)
		            { selected = cm.listSelections(); }
		          setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
		          if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)
		            { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } }
		          cm.replaceSelection(text$1, "around", "paste");
		          cm.display.input.focus();
		        }
		      }
		      catch(e$1){}
		    }
		  }

		  function onDragStart(cm, e) {
		    if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }
		    if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }

		    e.dataTransfer.setData("Text", cm.getSelection());
		    e.dataTransfer.effectAllowed = "copyMove";

		    // Use dummy image instead of default browsers image.
		    // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
		    if (e.dataTransfer.setDragImage && !safari) {
		      var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
		      img.src = "";
		      if (presto) {
		        img.width = img.height = 1;
		        cm.display.wrapper.appendChild(img);
		        // Force a relayout, or Opera won't use our image for some obscure reason
		        img._top = img.offsetTop;
		      }
		      e.dataTransfer.setDragImage(img, 0, 0);
		      if (presto) { img.parentNode.removeChild(img); }
		    }
		  }

		  function onDragOver(cm, e) {
		    var pos = posFromMouse(cm, e);
		    if (!pos) { return }
		    var frag = document.createDocumentFragment();
		    drawSelectionCursor(cm, pos, frag);
		    if (!cm.display.dragCursor) {
		      cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
		      cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
		    }
		    removeChildrenAndAdd(cm.display.dragCursor, frag);
		  }

		  function clearDragCursor(cm) {
		    if (cm.display.dragCursor) {
		      cm.display.lineSpace.removeChild(cm.display.dragCursor);
		      cm.display.dragCursor = null;
		    }
		  }

		  // These must be handled carefully, because naively registering a
		  // handler for each editor will cause the editors to never be
		  // garbage collected.

		  function forEachCodeMirror(f) {
		    if (!document.getElementsByClassName) { return }
		    var byClass = document.getElementsByClassName("CodeMirror"), editors = [];
		    for (var i = 0; i < byClass.length; i++) {
		      var cm = byClass[i].CodeMirror;
		      if (cm) { editors.push(cm); }
		    }
		    if (editors.length) { editors[0].operation(function () {
		      for (var i = 0; i < editors.length; i++) { f(editors[i]); }
		    }); }
		  }

		  var globalsRegistered = false;
		  function ensureGlobalHandlers() {
		    if (globalsRegistered) { return }
		    registerGlobalHandlers();
		    globalsRegistered = true;
		  }
		  function registerGlobalHandlers() {
		    // When the window resizes, we need to refresh active editors.
		    var resizeTimer;
		    on(window, "resize", function () {
		      if (resizeTimer == null) { resizeTimer = setTimeout(function () {
		        resizeTimer = null;
		        forEachCodeMirror(onResize);
		      }, 100); }
		    });
		    // When the window loses focus, we want to show the editor as blurred
		    on(window, "blur", function () { return forEachCodeMirror(onBlur); });
		  }
		  // Called when the window resizes
		  function onResize(cm) {
		    var d = cm.display;
		    // Might be a text scaling operation, clear size caches.
		    d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
		    d.scrollbarsClipped = false;
		    cm.setSize();
		  }

		  var keyNames = {
		    3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
		    19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
		    36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
		    46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
		    106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 145: "ScrollLock",
		    173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
		    221: "]", 222: "'", 224: "Mod", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
		    63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
		  };

		  // Number keys
		  for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }
		  // Alphabetic keys
		  for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }
		  // Function keys
		  for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; }

		  var keyMap = {};

		  keyMap.basic = {
		    "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
		    "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
		    "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
		    "Tab": "defaultTab", "Shift-Tab": "indentAuto",
		    "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
		    "Esc": "singleSelection"
		  };
		  // Note that the save and find-related commands aren't defined by
		  // default. User code or addons can define them. Unknown commands
		  // are simply ignored.
		  keyMap.pcDefault = {
		    "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
		    "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
		    "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
		    "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
		    "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
		    "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
		    "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
		    "fallthrough": "basic"
		  };
		  // Very basic readline/emacs-style bindings, which are standard on Mac.
		  keyMap.emacsy = {
		    "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
		    "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd", "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp",
		    "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine",
		    "Ctrl-T": "transposeChars", "Ctrl-O": "openLine"
		  };
		  keyMap.macDefault = {
		    "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
		    "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
		    "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
		    "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
		    "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
		    "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
		    "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
		    "fallthrough": ["basic", "emacsy"]
		  };
		  keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;

		  // KEYMAP DISPATCH

		  function normalizeKeyName(name) {
		    var parts = name.split(/-(?!$)/);
		    name = parts[parts.length - 1];
		    var alt, ctrl, shift, cmd;
		    for (var i = 0; i < parts.length - 1; i++) {
		      var mod = parts[i];
		      if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }
		      else if (/^a(lt)?$/i.test(mod)) { alt = true; }
		      else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }
		      else if (/^s(hift)?$/i.test(mod)) { shift = true; }
		      else { throw new Error("Unrecognized modifier name: " + mod) }
		    }
		    if (alt) { name = "Alt-" + name; }
		    if (ctrl) { name = "Ctrl-" + name; }
		    if (cmd) { name = "Cmd-" + name; }
		    if (shift) { name = "Shift-" + name; }
		    return name
		  }

		  // This is a kludge to keep keymaps mostly working as raw objects
		  // (backwards compatibility) while at the same time support features
		  // like normalization and multi-stroke key bindings. It compiles a
		  // new normalized keymap, and then updates the old object to reflect
		  // this.
		  function normalizeKeyMap(keymap) {
		    var copy = {};
		    for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {
		      var value = keymap[keyname];
		      if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }
		      if (value == "...") { delete keymap[keyname]; continue }

		      var keys = map(keyname.split(" "), normalizeKeyName);
		      for (var i = 0; i < keys.length; i++) {
		        var val = (void 0), name = (void 0);
		        if (i == keys.length - 1) {
		          name = keys.join(" ");
		          val = value;
		        } else {
		          name = keys.slice(0, i + 1).join(" ");
		          val = "...";
		        }
		        var prev = copy[name];
		        if (!prev) { copy[name] = val; }
		        else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }
		      }
		      delete keymap[keyname];
		    } }
		    for (var prop in copy) { keymap[prop] = copy[prop]; }
		    return keymap
		  }

		  function lookupKey(key, map, handle, context) {
		    map = getKeyMap(map);
		    var found = map.call ? map.call(key, context) : map[key];
		    if (found === false) { return "nothing" }
		    if (found === "...") { return "multi" }
		    if (found != null && handle(found)) { return "handled" }

		    if (map.fallthrough) {
		      if (Object.prototype.toString.call(map.fallthrough) != "[object Array]")
		        { return lookupKey(key, map.fallthrough, handle, context) }
		      for (var i = 0; i < map.fallthrough.length; i++) {
		        var result = lookupKey(key, map.fallthrough[i], handle, context);
		        if (result) { return result }
		      }
		    }
		  }

		  // Modifier key presses don't count as 'real' key presses for the
		  // purpose of keymap fallthrough.
		  function isModifierKey(value) {
		    var name = typeof value == "string" ? value : keyNames[value.keyCode];
		    return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"
		  }

		  function addModifierNames(name, event, noShift) {
		    var base = name;
		    if (event.altKey && base != "Alt") { name = "Alt-" + name; }
		    if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; }
		    if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Mod") { name = "Cmd-" + name; }
		    if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; }
		    return name
		  }

		  // Look up the name of a key as indicated by an event object.
		  function keyName(event, noShift) {
		    if (presto && event.keyCode == 34 && event["char"]) { return false }
		    var name = keyNames[event.keyCode];
		    if (name == null || event.altGraphKey) { return false }
		    // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause,
		    // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+)
		    if (event.keyCode == 3 && event.code) { name = event.code; }
		    return addModifierNames(name, event, noShift)
		  }

		  function getKeyMap(val) {
		    return typeof val == "string" ? keyMap[val] : val
		  }

		  // Helper for deleting text near the selection(s), used to implement
		  // backspace, delete, and similar functionality.
		  function deleteNearSelection(cm, compute) {
		    var ranges = cm.doc.sel.ranges, kill = [];
		    // Build up a set of ranges to kill first, merging overlapping
		    // ranges.
		    for (var i = 0; i < ranges.length; i++) {
		      var toKill = compute(ranges[i]);
		      while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
		        var replaced = kill.pop();
		        if (cmp(replaced.from, toKill.from) < 0) {
		          toKill.from = replaced.from;
		          break
		        }
		      }
		      kill.push(toKill);
		    }
		    // Next, remove those actual ranges.
		    runInOp(cm, function () {
		      for (var i = kill.length - 1; i >= 0; i--)
		        { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); }
		      ensureCursorVisible(cm);
		    });
		  }

		  function moveCharLogically(line, ch, dir) {
		    var target = skipExtendingChars(line.text, ch + dir, dir);
		    return target < 0 || target > line.text.length ? null : target
		  }

		  function moveLogically(line, start, dir) {
		    var ch = moveCharLogically(line, start.ch, dir);
		    return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
		  }

		  function endOfLine(visually, cm, lineObj, lineNo, dir) {
		    if (visually) {
		      if (cm.doc.direction == "rtl") { dir = -dir; }
		      var order = getOrder(lineObj, cm.doc.direction);
		      if (order) {
		        var part = dir < 0 ? lst(order) : order[0];
		        var moveInStorageOrder = (dir < 0) == (part.level == 1);
		        var sticky = moveInStorageOrder ? "after" : "before";
		        var ch;
		        // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
		        // it could be that the last bidi part is not on the last visual line,
		        // since visual lines contain content order-consecutive chunks.
		        // Thus, in rtl, we are looking for the first (content-order) character
		        // in the rtl chunk that is on the last line (that is, the same line
		        // as the last (content-order) character).
		        if (part.level > 0 || cm.doc.direction == "rtl") {
		          var prep = prepareMeasureForLine(cm, lineObj);
		          ch = dir < 0 ? lineObj.text.length - 1 : 0;
		          var targetTop = measureCharPrepared(cm, prep, ch).top;
		          ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);
		          if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); }
		        } else { ch = dir < 0 ? part.to : part.from; }
		        return new Pos(lineNo, ch, sticky)
		      }
		    }
		    return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
		  }

		  function moveVisually(cm, line, start, dir) {
		    var bidi = getOrder(line, cm.doc.direction);
		    if (!bidi) { return moveLogically(line, start, dir) }
		    if (start.ch >= line.text.length) {
		      start.ch = line.text.length;
		      start.sticky = "before";
		    } else if (start.ch <= 0) {
		      start.ch = 0;
		      start.sticky = "after";
		    }
		    var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];
		    if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
		      // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
		      // nothing interesting happens.
		      return moveLogically(line, start, dir)
		    }

		    var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };
		    var prep;
		    var getWrappedLineExtent = function (ch) {
		      if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }
		      prep = prep || prepareMeasureForLine(cm, line);
		      return wrappedLineExtentChar(cm, line, prep, ch)
		    };
		    var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);

		    if (cm.doc.direction == "rtl" || part.level == 1) {
		      var moveInStorageOrder = (part.level == 1) == (dir < 0);
		      var ch = mv(start, moveInStorageOrder ? 1 : -1);
		      if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {
		        // Case 2: We move within an rtl part or in an rtl editor on the same visual line
		        var sticky = moveInStorageOrder ? "before" : "after";
		        return new Pos(start.line, ch, sticky)
		      }
		    }

		    // Case 3: Could not move within this bidi part in this visual line, so leave
		    // the current bidi part

		    var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {
		      var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder
		        ? new Pos(start.line, mv(ch, 1), "before")
		        : new Pos(start.line, ch, "after"); };

		      for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {
		        var part = bidi[partPos];
		        var moveInStorageOrder = (dir > 0) == (part.level != 1);
		        var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);
		        if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }
		        ch = moveInStorageOrder ? part.from : mv(part.to, -1);
		        if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }
		      }
		    };

		    // Case 3a: Look for other bidi parts on the same visual line
		    var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);
		    if (res) { return res }

		    // Case 3b: Look for other bidi parts on the next visual line
		    var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);
		    if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
		      res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));
		      if (res) { return res }
		    }

		    // Case 4: Nowhere to move
		    return null
		  }

		  // Commands are parameter-less actions that can be performed on an
		  // editor, mostly used for keybindings.
		  var commands = {
		    selectAll: selectAll,
		    singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },
		    killLine: function (cm) { return deleteNearSelection(cm, function (range) {
		      if (range.empty()) {
		        var len = getLine(cm.doc, range.head.line).text.length;
		        if (range.head.ch == len && range.head.line < cm.lastLine())
		          { return {from: range.head, to: Pos(range.head.line + 1, 0)} }
		        else
		          { return {from: range.head, to: Pos(range.head.line, len)} }
		      } else {
		        return {from: range.from(), to: range.to()}
		      }
		    }); },
		    deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({
		      from: Pos(range.from().line, 0),
		      to: clipPos(cm.doc, Pos(range.to().line + 1, 0))
		    }); }); },
		    delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({
		      from: Pos(range.from().line, 0), to: range.from()
		    }); }); },
		    delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {
		      var top = cm.charCoords(range.head, "div").top + 5;
		      var leftPos = cm.coordsChar({left: 0, top: top}, "div");
		      return {from: leftPos, to: range.from()}
		    }); },
		    delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {
		      var top = cm.charCoords(range.head, "div").top + 5;
		      var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
		      return {from: range.from(), to: rightPos }
		    }); },
		    undo: function (cm) { return cm.undo(); },
		    redo: function (cm) { return cm.redo(); },
		    undoSelection: function (cm) { return cm.undoSelection(); },
		    redoSelection: function (cm) { return cm.redoSelection(); },
		    goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },
		    goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },
		    goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },
		      {origin: "+move", bias: 1}
		    ); },
		    goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },
		      {origin: "+move", bias: 1}
		    ); },
		    goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },
		      {origin: "+move", bias: -1}
		    ); },
		    goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {
		      var top = cm.cursorCoords(range.head, "div").top + 5;
		      return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
		    }, sel_move); },
		    goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {
		      var top = cm.cursorCoords(range.head, "div").top + 5;
		      return cm.coordsChar({left: 0, top: top}, "div")
		    }, sel_move); },
		    goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {
		      var top = cm.cursorCoords(range.head, "div").top + 5;
		      var pos = cm.coordsChar({left: 0, top: top}, "div");
		      if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) }
		      return pos
		    }, sel_move); },
		    goLineUp: function (cm) { return cm.moveV(-1, "line"); },
		    goLineDown: function (cm) { return cm.moveV(1, "line"); },
		    goPageUp: function (cm) { return cm.moveV(-1, "page"); },
		    goPageDown: function (cm) { return cm.moveV(1, "page"); },
		    goCharLeft: function (cm) { return cm.moveH(-1, "char"); },
		    goCharRight: function (cm) { return cm.moveH(1, "char"); },
		    goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },
		    goColumnRight: function (cm) { return cm.moveH(1, "column"); },
		    goWordLeft: function (cm) { return cm.moveH(-1, "word"); },
		    goGroupRight: function (cm) { return cm.moveH(1, "group"); },
		    goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },
		    goWordRight: function (cm) { return cm.moveH(1, "word"); },
		    delCharBefore: function (cm) { return cm.deleteH(-1, "codepoint"); },
		    delCharAfter: function (cm) { return cm.deleteH(1, "char"); },
		    delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },
		    delWordAfter: function (cm) { return cm.deleteH(1, "word"); },
		    delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },
		    delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },
		    indentAuto: function (cm) { return cm.indentSelection("smart"); },
		    indentMore: function (cm) { return cm.indentSelection("add"); },
		    indentLess: function (cm) { return cm.indentSelection("subtract"); },
		    insertTab: function (cm) { return cm.replaceSelection("\t"); },
		    insertSoftTab: function (cm) {
		      var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
		      for (var i = 0; i < ranges.length; i++) {
		        var pos = ranges[i].from();
		        var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
		        spaces.push(spaceStr(tabSize - col % tabSize));
		      }
		      cm.replaceSelections(spaces);
		    },
		    defaultTab: function (cm) {
		      if (cm.somethingSelected()) { cm.indentSelection("add"); }
		      else { cm.execCommand("insertTab"); }
		    },
		    // Swap the two chars left and right of each selection's head.
		    // Move cursor behind the two swapped characters afterwards.
		    //
		    // Doesn't consider line feeds a character.
		    // Doesn't scan more than one line above to find a character.
		    // Doesn't do anything on an empty line.
		    // Doesn't do anything with non-empty selections.
		    transposeChars: function (cm) { return runInOp(cm, function () {
		      var ranges = cm.listSelections(), newSel = [];
		      for (var i = 0; i < ranges.length; i++) {
		        if (!ranges[i].empty()) { continue }
		        var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
		        if (line) {
		          if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }
		          if (cur.ch > 0) {
		            cur = new Pos(cur.line, cur.ch + 1);
		            cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
		                            Pos(cur.line, cur.ch - 2), cur, "+transpose");
		          } else if (cur.line > cm.doc.first) {
		            var prev = getLine(cm.doc, cur.line - 1).text;
		            if (prev) {
		              cur = new Pos(cur.line, 1);
		              cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
		                              prev.charAt(prev.length - 1),
		                              Pos(cur.line - 1, prev.length - 1), cur, "+transpose");
		            }
		          }
		        }
		        newSel.push(new Range(cur, cur));
		      }
		      cm.setSelections(newSel);
		    }); },
		    newlineAndIndent: function (cm) { return runInOp(cm, function () {
		      var sels = cm.listSelections();
		      for (var i = sels.length - 1; i >= 0; i--)
		        { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); }
		      sels = cm.listSelections();
		      for (var i$1 = 0; i$1 < sels.length; i$1++)
		        { cm.indentLine(sels[i$1].from().line, null, true); }
		      ensureCursorVisible(cm);
		    }); },
		    openLine: function (cm) { return cm.replaceSelection("\n", "start"); },
		    toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }
		  };


		  function lineStart(cm, lineN) {
		    var line = getLine(cm.doc, lineN);
		    var visual = visualLine(line);
		    if (visual != line) { lineN = lineNo(visual); }
		    return endOfLine(true, cm, visual, lineN, 1)
		  }
		  function lineEnd(cm, lineN) {
		    var line = getLine(cm.doc, lineN);
		    var visual = visualLineEnd(line);
		    if (visual != line) { lineN = lineNo(visual); }
		    return endOfLine(true, cm, line, lineN, -1)
		  }
		  function lineStartSmart(cm, pos) {
		    var start = lineStart(cm, pos.line);
		    var line = getLine(cm.doc, start.line);
		    var order = getOrder(line, cm.doc.direction);
		    if (!order || order[0].level == 0) {
		      var firstNonWS = Math.max(start.ch, line.text.search(/\S/));
		      var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
		      return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)
		    }
		    return start
		  }

		  // Run a handler that was bound to a key.
		  function doHandleBinding(cm, bound, dropShift) {
		    if (typeof bound == "string") {
		      bound = commands[bound];
		      if (!bound) { return false }
		    }
		    // Ensure previous input has been read, so that the handler sees a
		    // consistent view of the document
		    cm.display.input.ensurePolled();
		    var prevShift = cm.display.shift, done = false;
		    try {
		      if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
		      if (dropShift) { cm.display.shift = false; }
		      done = bound(cm) != Pass;
		    } finally {
		      cm.display.shift = prevShift;
		      cm.state.suppressEdits = false;
		    }
		    return done
		  }

		  function lookupKeyForEditor(cm, name, handle) {
		    for (var i = 0; i < cm.state.keyMaps.length; i++) {
		      var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
		      if (result) { return result }
		    }
		    return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
		      || lookupKey(name, cm.options.keyMap, handle, cm)
		  }

		  // Note that, despite the name, this function is also used to check
		  // for bound mouse clicks.

		  var stopSeq = new Delayed;

		  function dispatchKey(cm, name, e, handle) {
		    var seq = cm.state.keySeq;
		    if (seq) {
		      if (isModifierKey(name)) { return "handled" }
		      if (/\'$/.test(name))
		        { cm.state.keySeq = null; }
		      else
		        { stopSeq.set(50, function () {
		          if (cm.state.keySeq == seq) {
		            cm.state.keySeq = null;
		            cm.display.input.reset();
		          }
		        }); }
		      if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true }
		    }
		    return dispatchKeyInner(cm, name, e, handle)
		  }

		  function dispatchKeyInner(cm, name, e, handle) {
		    var result = lookupKeyForEditor(cm, name, handle);

		    if (result == "multi")
		      { cm.state.keySeq = name; }
		    if (result == "handled")
		      { signalLater(cm, "keyHandled", cm, name, e); }

		    if (result == "handled" || result == "multi") {
		      e_preventDefault(e);
		      restartBlink(cm);
		    }

		    return !!result
		  }

		  // Handle a key from the keydown event.
		  function handleKeyBinding(cm, e) {
		    var name = keyName(e, true);
		    if (!name) { return false }

		    if (e.shiftKey && !cm.state.keySeq) {
		      // First try to resolve full name (including 'Shift-'). Failing
		      // that, see if there is a cursor-motion command (starting with
		      // 'go') bound to the keyname without 'Shift-'.
		      return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })
		          || dispatchKey(cm, name, e, function (b) {
		               if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
		                 { return doHandleBinding(cm, b) }
		             })
		    } else {
		      return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })
		    }
		  }

		  // Handle a key from the keypress event
		  function handleCharBinding(cm, e, ch) {
		    return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); })
		  }

		  var lastStoppedKey = null;
		  function onKeyDown(e) {
		    var cm = this;
		    if (e.target && e.target != cm.display.input.getField()) { return }
		    cm.curOp.focus = activeElt(root(cm));
		    if (signalDOMEvent(cm, e)) { return }
		    // IE does strange things with escape.
		    if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }
		    var code = e.keyCode;
		    cm.display.shift = code == 16 || e.shiftKey;
		    var handled = handleKeyBinding(cm, e);
		    if (presto) {
		      lastStoppedKey = handled ? code : null;
		      // Opera has no cut event... we try to at least catch the key combo
		      if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
		        { cm.replaceSelection("", null, "cut"); }
		    }
		    if (gecko && !mac && !handled && code == 46 && e.shiftKey && !e.ctrlKey && document.execCommand)
		      { document.execCommand("cut"); }

		    // Turn mouse into crosshair when Alt is held on Mac.
		    if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
		      { showCrossHair(cm); }
		  }

		  function showCrossHair(cm) {
		    var lineDiv = cm.display.lineDiv;
		    addClass(lineDiv, "CodeMirror-crosshair");

		    function up(e) {
		      if (e.keyCode == 18 || !e.altKey) {
		        rmClass(lineDiv, "CodeMirror-crosshair");
		        off(document, "keyup", up);
		        off(document, "mouseover", up);
		      }
		    }
		    on(document, "keyup", up);
		    on(document, "mouseover", up);
		  }

		  function onKeyUp(e) {
		    if (e.keyCode == 16) { this.doc.sel.shift = false; }
		    signalDOMEvent(this, e);
		  }

		  function onKeyPress(e) {
		    var cm = this;
		    if (e.target && e.target != cm.display.input.getField()) { return }
		    if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }
		    var keyCode = e.keyCode, charCode = e.charCode;
		    if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}
		    if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }
		    var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
		    // Some browsers fire keypress events for backspace
		    if (ch == "\x08") { return }
		    if (handleCharBinding(cm, e, ch)) { return }
		    cm.display.input.onKeyPress(e);
		  }

		  var DOUBLECLICK_DELAY = 400;

		  var PastClick = function(time, pos, button) {
		    this.time = time;
		    this.pos = pos;
		    this.button = button;
		  };

		  PastClick.prototype.compare = function (time, pos, button) {
		    return this.time + DOUBLECLICK_DELAY > time &&
		      cmp(pos, this.pos) == 0 && button == this.button
		  };

		  var lastClick, lastDoubleClick;
		  function clickRepeat(pos, button) {
		    var now = +new Date;
		    if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {
		      lastClick = lastDoubleClick = null;
		      return "triple"
		    } else if (lastClick && lastClick.compare(now, pos, button)) {
		      lastDoubleClick = new PastClick(now, pos, button);
		      lastClick = null;
		      return "double"
		    } else {
		      lastClick = new PastClick(now, pos, button);
		      lastDoubleClick = null;
		      return "single"
		    }
		  }

		  // A mouse down can be a single click, double click, triple click,
		  // start of selection drag, start of text drag, new cursor
		  // (ctrl-click), rectangle drag (alt-drag), or xwin
		  // middle-click-paste. Or it might be a click on something we should
		  // not interfere with, such as a scrollbar or widget.
		  function onMouseDown(e) {
		    var cm = this, display = cm.display;
		    if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }
		    display.input.ensurePolled();
		    display.shift = e.shiftKey;

		    if (eventInWidget(display, e)) {
		      if (!webkit) {
		        // Briefly turn off draggability, to allow widgets to do
		        // normal dragging things.
		        display.scroller.draggable = false;
		        setTimeout(function () { return display.scroller.draggable = true; }, 100);
		      }
		      return
		    }
		    if (clickInGutter(cm, e)) { return }
		    var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";
		    win(cm).focus();

		    // #3261: make sure, that we're not starting a second selection
		    if (button == 1 && cm.state.selectingText)
		      { cm.state.selectingText(e); }

		    if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }

		    if (button == 1) {
		      if (pos) { leftButtonDown(cm, pos, repeat, e); }
		      else if (e_target(e) == display.scroller) { e_preventDefault(e); }
		    } else if (button == 2) {
		      if (pos) { extendSelection(cm.doc, pos); }
		      setTimeout(function () { return display.input.focus(); }, 20);
		    } else if (button == 3) {
		      if (captureRightClick) { cm.display.input.onContextMenu(e); }
		      else { delayBlurEvent(cm); }
		    }
		  }

		  function handleMappedButton(cm, button, pos, repeat, event) {
		    var name = "Click";
		    if (repeat == "double") { name = "Double" + name; }
		    else if (repeat == "triple") { name = "Triple" + name; }
		    name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;

		    return dispatchKey(cm,  addModifierNames(name, event), event, function (bound) {
		      if (typeof bound == "string") { bound = commands[bound]; }
		      if (!bound) { return false }
		      var done = false;
		      try {
		        if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
		        done = bound(cm, pos) != Pass;
		      } finally {
		        cm.state.suppressEdits = false;
		      }
		      return done
		    })
		  }

		  function configureMouse(cm, repeat, event) {
		    var option = cm.getOption("configureMouse");
		    var value = option ? option(cm, repeat, event) : {};
		    if (value.unit == null) {
		      var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;
		      value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";
		    }
		    if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }
		    if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }
		    if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }
		    return value
		  }

		  function leftButtonDown(cm, pos, repeat, event) {
		    if (ie) { setTimeout(bind(ensureFocus, cm), 0); }
		    else { cm.curOp.focus = activeElt(root(cm)); }

		    var behavior = configureMouse(cm, repeat, event);

		    var sel = cm.doc.sel, contained;
		    if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
		        repeat == "single" && (contained = sel.contains(pos)) > -1 &&
		        (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&
		        (cmp(contained.to(), pos) > 0 || pos.xRel < 0))
		      { leftButtonStartDrag(cm, event, pos, behavior); }
		    else
		      { leftButtonSelect(cm, event, pos, behavior); }
		  }

		  // Start a text drag. When it ends, see if any dragging actually
		  // happen, and treat as a click if it didn't.
		  function leftButtonStartDrag(cm, event, pos, behavior) {
		    var display = cm.display, moved = false;
		    var dragEnd = operation(cm, function (e) {
		      if (webkit) { display.scroller.draggable = false; }
		      cm.state.draggingText = false;
		      if (cm.state.delayingBlurEvent) {
		        if (cm.hasFocus()) { cm.state.delayingBlurEvent = false; }
		        else { delayBlurEvent(cm); }
		      }
		      off(display.wrapper.ownerDocument, "mouseup", dragEnd);
		      off(display.wrapper.ownerDocument, "mousemove", mouseMove);
		      off(display.scroller, "dragstart", dragStart);
		      off(display.scroller, "drop", dragEnd);
		      if (!moved) {
		        e_preventDefault(e);
		        if (!behavior.addNew)
		          { extendSelection(cm.doc, pos, null, null, behavior.extend); }
		        // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
		        if ((webkit && !safari) || ie && ie_version == 9)
		          { setTimeout(function () {display.wrapper.ownerDocument.body.focus({preventScroll: true}); display.input.focus();}, 20); }
		        else
		          { display.input.focus(); }
		      }
		    });
		    var mouseMove = function(e2) {
		      moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;
		    };
		    var dragStart = function () { return moved = true; };
		    // Let the drag handler handle this.
		    if (webkit) { display.scroller.draggable = true; }
		    cm.state.draggingText = dragEnd;
		    dragEnd.copy = !behavior.moveOnDrag;
		    on(display.wrapper.ownerDocument, "mouseup", dragEnd);
		    on(display.wrapper.ownerDocument, "mousemove", mouseMove);
		    on(display.scroller, "dragstart", dragStart);
		    on(display.scroller, "drop", dragEnd);

		    cm.state.delayingBlurEvent = true;
		    setTimeout(function () { return display.input.focus(); }, 20);
		    // IE's approach to draggable
		    if (display.scroller.dragDrop) { display.scroller.dragDrop(); }
		  }

		  function rangeForUnit(cm, pos, unit) {
		    if (unit == "char") { return new Range(pos, pos) }
		    if (unit == "word") { return cm.findWordAt(pos) }
		    if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }
		    var result = unit(cm, pos);
		    return new Range(result.from, result.to)
		  }

		  // Normal selection, as opposed to text dragging.
		  function leftButtonSelect(cm, event, start, behavior) {
		    if (ie) { delayBlurEvent(cm); }
		    var display = cm.display, doc = cm.doc;
		    e_preventDefault(event);

		    var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
		    if (behavior.addNew && !behavior.extend) {
		      ourIndex = doc.sel.contains(start);
		      if (ourIndex > -1)
		        { ourRange = ranges[ourIndex]; }
		      else
		        { ourRange = new Range(start, start); }
		    } else {
		      ourRange = doc.sel.primary();
		      ourIndex = doc.sel.primIndex;
		    }

		    if (behavior.unit == "rectangle") {
		      if (!behavior.addNew) { ourRange = new Range(start, start); }
		      start = posFromMouse(cm, event, true, true);
		      ourIndex = -1;
		    } else {
		      var range = rangeForUnit(cm, start, behavior.unit);
		      if (behavior.extend)
		        { ourRange = extendRange(ourRange, range.anchor, range.head, behavior.extend); }
		      else
		        { ourRange = range; }
		    }

		    if (!behavior.addNew) {
		      ourIndex = 0;
		      setSelection(doc, new Selection([ourRange], 0), sel_mouse);
		      startSel = doc.sel;
		    } else if (ourIndex == -1) {
		      ourIndex = ranges.length;
		      setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex),
		                   {scroll: false, origin: "*mouse"});
		    } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {
		      setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
		                   {scroll: false, origin: "*mouse"});
		      startSel = doc.sel;
		    } else {
		      replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
		    }

		    var lastPos = start;
		    function extendTo(pos) {
		      if (cmp(lastPos, pos) == 0) { return }
		      lastPos = pos;

		      if (behavior.unit == "rectangle") {
		        var ranges = [], tabSize = cm.options.tabSize;
		        var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
		        var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
		        var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
		        for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
		             line <= end; line++) {
		          var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
		          if (left == right)
		            { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }
		          else if (text.length > leftPos)
		            { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }
		        }
		        if (!ranges.length) { ranges.push(new Range(start, start)); }
		        setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
		                     {origin: "*mouse", scroll: false});
		        cm.scrollIntoView(pos);
		      } else {
		        var oldRange = ourRange;
		        var range = rangeForUnit(cm, pos, behavior.unit);
		        var anchor = oldRange.anchor, head;
		        if (cmp(range.anchor, anchor) > 0) {
		          head = range.head;
		          anchor = minPos(oldRange.from(), range.anchor);
		        } else {
		          head = range.anchor;
		          anchor = maxPos(oldRange.to(), range.head);
		        }
		        var ranges$1 = startSel.ranges.slice(0);
		        ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));
		        setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse);
		      }
		    }

		    var editorSize = display.wrapper.getBoundingClientRect();
		    // Used to ensure timeout re-tries don't fire when another extend
		    // happened in the meantime (clearTimeout isn't reliable -- at
		    // least on Chrome, the timeouts still happen even when cleared,
		    // if the clear happens after their scheduled firing time).
		    var counter = 0;

		    function extend(e) {
		      var curCount = ++counter;
		      var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");
		      if (!cur) { return }
		      if (cmp(cur, lastPos) != 0) {
		        cm.curOp.focus = activeElt(root(cm));
		        extendTo(cur);
		        var visible = visibleLines(display, doc);
		        if (cur.line >= visible.to || cur.line < visible.from)
		          { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }
		      } else {
		        var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
		        if (outside) { setTimeout(operation(cm, function () {
		          if (counter != curCount) { return }
		          display.scroller.scrollTop += outside;
		          extend(e);
		        }), 50); }
		      }
		    }

		    function done(e) {
		      cm.state.selectingText = false;
		      counter = Infinity;
		      // If e is null or undefined we interpret this as someone trying
		      // to explicitly cancel the selection rather than the user
		      // letting go of the mouse button.
		      if (e) {
		        e_preventDefault(e);
		        display.input.focus();
		      }
		      off(display.wrapper.ownerDocument, "mousemove", move);
		      off(display.wrapper.ownerDocument, "mouseup", up);
		      doc.history.lastSelOrigin = null;
		    }

		    var move = operation(cm, function (e) {
		      if (e.buttons === 0 || !e_button(e)) { done(e); }
		      else { extend(e); }
		    });
		    var up = operation(cm, done);
		    cm.state.selectingText = up;
		    on(display.wrapper.ownerDocument, "mousemove", move);
		    on(display.wrapper.ownerDocument, "mouseup", up);
		  }

		  // Used when mouse-selecting to adjust the anchor to the proper side
		  // of a bidi jump depending on the visual position of the head.
		  function bidiSimplify(cm, range) {
		    var anchor = range.anchor;
		    var head = range.head;
		    var anchorLine = getLine(cm.doc, anchor.line);
		    if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range }
		    var order = getOrder(anchorLine);
		    if (!order) { return range }
		    var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];
		    if (part.from != anchor.ch && part.to != anchor.ch) { return range }
		    var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);
		    if (boundary == 0 || boundary == order.length) { return range }

		    // Compute the relative visual position of the head compared to the
		    // anchor (<0 is to the left, >0 to the right)
		    var leftSide;
		    if (head.line != anchor.line) {
		      leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;
		    } else {
		      var headIndex = getBidiPartAt(order, head.ch, head.sticky);
		      var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);
		      if (headIndex == boundary - 1 || headIndex == boundary)
		        { leftSide = dir < 0; }
		      else
		        { leftSide = dir > 0; }
		    }

		    var usePart = order[boundary + (leftSide ? -1 : 0)];
		    var from = leftSide == (usePart.level == 1);
		    var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";
		    return anchor.ch == ch && anchor.sticky == sticky ? range : new Range(new Pos(anchor.line, ch, sticky), head)
		  }


		  // Determines whether an event happened in the gutter, and fires the
		  // handlers for the corresponding event.
		  function gutterEvent(cm, e, type, prevent) {
		    var mX, mY;
		    if (e.touches) {
		      mX = e.touches[0].clientX;
		      mY = e.touches[0].clientY;
		    } else {
		      try { mX = e.clientX; mY = e.clientY; }
		      catch(e$1) { return false }
		    }
		    if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }
		    if (prevent) { e_preventDefault(e); }

		    var display = cm.display;
		    var lineBox = display.lineDiv.getBoundingClientRect();

		    if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }
		    mY -= lineBox.top - display.viewOffset;

		    for (var i = 0; i < cm.display.gutterSpecs.length; ++i) {
		      var g = display.gutters.childNodes[i];
		      if (g && g.getBoundingClientRect().right >= mX) {
		        var line = lineAtHeight(cm.doc, mY);
		        var gutter = cm.display.gutterSpecs[i];
		        signal(cm, type, cm, line, gutter.className, e);
		        return e_defaultPrevented(e)
		      }
		    }
		  }

		  function clickInGutter(cm, e) {
		    return gutterEvent(cm, e, "gutterClick", true)
		  }

		  // CONTEXT MENU HANDLING

		  // To make the context menu work, we need to briefly unhide the
		  // textarea (making it as unobtrusive as possible) to let the
		  // right-click take effect on it.
		  function onContextMenu(cm, e) {
		    if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }
		    if (signalDOMEvent(cm, e, "contextmenu")) { return }
		    if (!captureRightClick) { cm.display.input.onContextMenu(e); }
		  }

		  function contextMenuInGutter(cm, e) {
		    if (!hasHandler(cm, "gutterContextMenu")) { return false }
		    return gutterEvent(cm, e, "gutterContextMenu", false)
		  }

		  function themeChanged(cm) {
		    cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
		      cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
		    clearCaches(cm);
		  }

		  var Init = {toString: function(){return "CodeMirror.Init"}};

		  var defaults = {};
		  var optionHandlers = {};

		  function defineOptions(CodeMirror) {
		    var optionHandlers = CodeMirror.optionHandlers;

		    function option(name, deflt, handle, notOnInit) {
		      CodeMirror.defaults[name] = deflt;
		      if (handle) { optionHandlers[name] =
		        notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }
		    }

		    CodeMirror.defineOption = option;

		    // Passed to option handlers when there is no old value.
		    CodeMirror.Init = Init;

		    // These two are, on init, called from the constructor because they
		    // have to be initialized before the editor can start at all.
		    option("value", "", function (cm, val) { return cm.setValue(val); }, true);
		    option("mode", null, function (cm, val) {
		      cm.doc.modeOption = val;
		      loadMode(cm);
		    }, true);

		    option("indentUnit", 2, loadMode, true);
		    option("indentWithTabs", false);
		    option("smartIndent", true);
		    option("tabSize", 4, function (cm) {
		      resetModeState(cm);
		      clearCaches(cm);
		      regChange(cm);
		    }, true);

		    option("lineSeparator", null, function (cm, val) {
		      cm.doc.lineSep = val;
		      if (!val) { return }
		      var newBreaks = [], lineNo = cm.doc.first;
		      cm.doc.iter(function (line) {
		        for (var pos = 0;;) {
		          var found = line.text.indexOf(val, pos);
		          if (found == -1) { break }
		          pos = found + val.length;
		          newBreaks.push(Pos(lineNo, found));
		        }
		        lineNo++;
		      });
		      for (var i = newBreaks.length - 1; i >= 0; i--)
		        { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }
		    });
		    option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b\u200e\u200f\u2028\u2029\u202d\u202e\u2066\u2067\u2069\ufeff\ufff9-\ufffc]/g, function (cm, val, old) {
		      cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
		      if (old != Init) { cm.refresh(); }
		    });
		    option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);
		    option("electricChars", true);
		    option("inputStyle", mobile ? "contenteditable" : "textarea", function () {
		      throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME
		    }, true);
		    option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);
		    option("autocorrect", false, function (cm, val) { return cm.getInputField().autocorrect = val; }, true);
		    option("autocapitalize", false, function (cm, val) { return cm.getInputField().autocapitalize = val; }, true);
		    option("rtlMoveVisually", !windows);
		    option("wholeLineUpdateBefore", true);

		    option("theme", "default", function (cm) {
		      themeChanged(cm);
		      updateGutters(cm);
		    }, true);
		    option("keyMap", "default", function (cm, val, old) {
		      var next = getKeyMap(val);
		      var prev = old != Init && getKeyMap(old);
		      if (prev && prev.detach) { prev.detach(cm, next); }
		      if (next.attach) { next.attach(cm, prev || null); }
		    });
		    option("extraKeys", null);
		    option("configureMouse", null);

		    option("lineWrapping", false, wrappingChanged, true);
		    option("gutters", [], function (cm, val) {
		      cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers);
		      updateGutters(cm);
		    }, true);
		    option("fixedGutter", true, function (cm, val) {
		      cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
		      cm.refresh();
		    }, true);
		    option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true);
		    option("scrollbarStyle", "native", function (cm) {
		      initScrollbars(cm);
		      updateScrollbars(cm);
		      cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
		      cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
		    }, true);
		    option("lineNumbers", false, function (cm, val) {
		      cm.display.gutterSpecs = getGutters(cm.options.gutters, val);
		      updateGutters(cm);
		    }, true);
		    option("firstLineNumber", 1, updateGutters, true);
		    option("lineNumberFormatter", function (integer) { return integer; }, updateGutters, true);
		    option("showCursorWhenSelecting", false, updateSelection, true);

		    option("resetSelectionOnContextMenu", true);
		    option("lineWiseCopyCut", true);
		    option("pasteLinesPerSelection", true);
		    option("selectionsMayTouch", false);

		    option("readOnly", false, function (cm, val) {
		      if (val == "nocursor") {
		        onBlur(cm);
		        cm.display.input.blur();
		      }
		      cm.display.input.readOnlyChanged(val);
		    });

		    option("screenReaderLabel", null, function (cm, val) {
		      val = (val === '') ? null : val;
		      cm.display.input.screenReaderLabelChanged(val);
		    });

		    option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);
		    option("dragDrop", true, dragDropChanged);
		    option("allowDropFileTypes", null);

		    option("cursorBlinkRate", 530);
		    option("cursorScrollMargin", 0);
		    option("cursorHeight", 1, updateSelection, true);
		    option("singleCursorHeightPerLine", true, updateSelection, true);
		    option("workTime", 100);
		    option("workDelay", 100);
		    option("flattenSpans", true, resetModeState, true);
		    option("addModeClass", false, resetModeState, true);
		    option("pollInterval", 100);
		    option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });
		    option("historyEventDelay", 1250);
		    option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true);
		    option("maxHighlightLength", 10000, resetModeState, true);
		    option("moveInputWithCursor", true, function (cm, val) {
		      if (!val) { cm.display.input.resetPosition(); }
		    });

		    option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; });
		    option("autofocus", null);
		    option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true);
		    option("phrases", null);
		  }

		  function dragDropChanged(cm, value, old) {
		    var wasOn = old && old != Init;
		    if (!value != !wasOn) {
		      var funcs = cm.display.dragFunctions;
		      var toggle = value ? on : off;
		      toggle(cm.display.scroller, "dragstart", funcs.start);
		      toggle(cm.display.scroller, "dragenter", funcs.enter);
		      toggle(cm.display.scroller, "dragover", funcs.over);
		      toggle(cm.display.scroller, "dragleave", funcs.leave);
		      toggle(cm.display.scroller, "drop", funcs.drop);
		    }
		  }

		  function wrappingChanged(cm) {
		    if (cm.options.lineWrapping) {
		      addClass(cm.display.wrapper, "CodeMirror-wrap");
		      cm.display.sizer.style.minWidth = "";
		      cm.display.sizerWidth = null;
		    } else {
		      rmClass(cm.display.wrapper, "CodeMirror-wrap");
		      findMaxLine(cm);
		    }
		    estimateLineHeights(cm);
		    regChange(cm);
		    clearCaches(cm);
		    setTimeout(function () { return updateScrollbars(cm); }, 100);
		  }

		  // A CodeMirror instance represents an editor. This is the object
		  // that user code is usually dealing with.

		  function CodeMirror(place, options) {
		    var this$1$1 = this;

		    if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) }

		    this.options = options = options ? copyObj(options) : {};
		    // Determine effective options based on given values and defaults.
		    copyObj(defaults, options, false);

		    var doc = options.value;
		    if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }
		    else if (options.mode) { doc.modeOption = options.mode; }
		    this.doc = doc;

		    var input = new CodeMirror.inputStyles[options.inputStyle](this);
		    var display = this.display = new Display(place, doc, input, options);
		    display.wrapper.CodeMirror = this;
		    themeChanged(this);
		    if (options.lineWrapping)
		      { this.display.wrapper.className += " CodeMirror-wrap"; }
		    initScrollbars(this);

		    this.state = {
		      keyMaps: [],  // stores maps added by addKeyMap
		      overlays: [], // highlighting overlays, as added by addOverlay
		      modeGen: 0,   // bumped when mode/overlay changes, used to invalidate highlighting info
		      overwrite: false,
		      delayingBlurEvent: false,
		      focused: false,
		      suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
		      pasteIncoming: -1, cutIncoming: -1, // help recognize paste/cut edits in input.poll
		      selectingText: false,
		      draggingText: false,
		      highlight: new Delayed(), // stores highlight worker timeout
		      keySeq: null,  // Unfinished key sequence
		      specialChars: null
		    };

		    if (options.autofocus && !mobile) { display.input.focus(); }

		    // Override magic textarea content restore that IE sometimes does
		    // on our hidden textarea on reload
		    if (ie && ie_version < 11) { setTimeout(function () { return this$1$1.display.input.reset(true); }, 20); }

		    registerEventHandlers(this);
		    ensureGlobalHandlers();

		    startOperation(this);
		    this.curOp.forceUpdate = true;
		    attachDoc(this, doc);

		    if ((options.autofocus && !mobile) || this.hasFocus())
		      { setTimeout(function () {
		        if (this$1$1.hasFocus() && !this$1$1.state.focused) { onFocus(this$1$1); }
		      }, 20); }
		    else
		      { onBlur(this); }

		    for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))
		      { optionHandlers[opt](this, options[opt], Init); } }
		    maybeUpdateLineNumberWidth(this);
		    if (options.finishInit) { options.finishInit(this); }
		    for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this); }
		    endOperation(this);
		    // Suppress optimizelegibility in Webkit, since it breaks text
		    // measuring on line wrapping boundaries.
		    if (webkit && options.lineWrapping &&
		        getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
		      { display.lineDiv.style.textRendering = "auto"; }
		  }

		  // The default configuration options.
		  CodeMirror.defaults = defaults;
		  // Functions to run when options are changed.
		  CodeMirror.optionHandlers = optionHandlers;

		  // Attach the necessary event handlers when initializing the editor
		  function registerEventHandlers(cm) {
		    var d = cm.display;
		    on(d.scroller, "mousedown", operation(cm, onMouseDown));
		    // Older IE's will not fire a second mousedown for a double click
		    if (ie && ie_version < 11)
		      { on(d.scroller, "dblclick", operation(cm, function (e) {
		        if (signalDOMEvent(cm, e)) { return }
		        var pos = posFromMouse(cm, e);
		        if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }
		        e_preventDefault(e);
		        var word = cm.findWordAt(pos);
		        extendSelection(cm.doc, word.anchor, word.head);
		      })); }
		    else
		      { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }
		    // Some browsers fire contextmenu *after* opening the menu, at
		    // which point we can't mess with it anymore. Context menu is
		    // handled in onMouseDown for these browsers.
		    on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); });
		    on(d.input.getField(), "contextmenu", function (e) {
		      if (!d.scroller.contains(e.target)) { onContextMenu(cm, e); }
		    });

		    // Used to suppress mouse event handling when a touch happens
		    var touchFinished, prevTouch = {end: 0};
		    function finishTouch() {
		      if (d.activeTouch) {
		        touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);
		        prevTouch = d.activeTouch;
		        prevTouch.end = +new Date;
		      }
		    }
		    function isMouseLikeTouchEvent(e) {
		      if (e.touches.length != 1) { return false }
		      var touch = e.touches[0];
		      return touch.radiusX <= 1 && touch.radiusY <= 1
		    }
		    function farAway(touch, other) {
		      if (other.left == null) { return true }
		      var dx = other.left - touch.left, dy = other.top - touch.top;
		      return dx * dx + dy * dy > 20 * 20
		    }
		    on(d.scroller, "touchstart", function (e) {
		      if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {
		        d.input.ensurePolled();
		        clearTimeout(touchFinished);
		        var now = +new Date;
		        d.activeTouch = {start: now, moved: false,
		                         prev: now - prevTouch.end <= 300 ? prevTouch : null};
		        if (e.touches.length == 1) {
		          d.activeTouch.left = e.touches[0].pageX;
		          d.activeTouch.top = e.touches[0].pageY;
		        }
		      }
		    });
		    on(d.scroller, "touchmove", function () {
		      if (d.activeTouch) { d.activeTouch.moved = true; }
		    });
		    on(d.scroller, "touchend", function (e) {
		      var touch = d.activeTouch;
		      if (touch && !eventInWidget(d, e) && touch.left != null &&
		          !touch.moved && new Date - touch.start < 300) {
		        var pos = cm.coordsChar(d.activeTouch, "page"), range;
		        if (!touch.prev || farAway(touch, touch.prev)) // Single tap
		          { range = new Range(pos, pos); }
		        else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
		          { range = cm.findWordAt(pos); }
		        else // Triple tap
		          { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }
		        cm.setSelection(range.anchor, range.head);
		        cm.focus();
		        e_preventDefault(e);
		      }
		      finishTouch();
		    });
		    on(d.scroller, "touchcancel", finishTouch);

		    // Sync scrolling between fake scrollbars and real scrollable
		    // area, ensure viewport is updated when scrolling.
		    on(d.scroller, "scroll", function () {
		      if (d.scroller.clientHeight) {
		        updateScrollTop(cm, d.scroller.scrollTop);
		        setScrollLeft(cm, d.scroller.scrollLeft, true);
		        signal(cm, "scroll", cm);
		      }
		    });

		    // Listen to wheel events in order to try and update the viewport on time.
		    on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); });
		    on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); });

		    // Prevent wrapper from ever scrolling
		    on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });

		    d.dragFunctions = {
		      enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},
		      over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
		      start: function (e) { return onDragStart(cm, e); },
		      drop: operation(cm, onDrop),
		      leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}
		    };

		    var inp = d.input.getField();
		    on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); });
		    on(inp, "keydown", operation(cm, onKeyDown));
		    on(inp, "keypress", operation(cm, onKeyPress));
		    on(inp, "focus", function (e) { return onFocus(cm, e); });
		    on(inp, "blur", function (e) { return onBlur(cm, e); });
		  }

		  var initHooks = [];
		  CodeMirror.defineInitHook = function (f) { return initHooks.push(f); };

		  // Indent the given line. The how parameter can be "smart",
		  // "add"/null, "subtract", or "prev". When aggressive is false
		  // (typically set to true for forced single-line indents), empty
		  // lines are not indented, and places where the mode returns Pass
		  // are left alone.
		  function indentLine(cm, n, how, aggressive) {
		    var doc = cm.doc, state;
		    if (how == null) { how = "add"; }
		    if (how == "smart") {
		      // Fall back to "prev" when the mode doesn't have an indentation
		      // method.
		      if (!doc.mode.indent) { how = "prev"; }
		      else { state = getContextBefore(cm, n).state; }
		    }

		    var tabSize = cm.options.tabSize;
		    var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
		    if (line.stateAfter) { line.stateAfter = null; }
		    var curSpaceString = line.text.match(/^\s*/)[0], indentation;
		    if (!aggressive && !/\S/.test(line.text)) {
		      indentation = 0;
		      how = "not";
		    } else if (how == "smart") {
		      indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
		      if (indentation == Pass || indentation > 150) {
		        if (!aggressive) { return }
		        how = "prev";
		      }
		    }
		    if (how == "prev") {
		      if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }
		      else { indentation = 0; }
		    } else if (how == "add") {
		      indentation = curSpace + cm.options.indentUnit;
		    } else if (how == "subtract") {
		      indentation = curSpace - cm.options.indentUnit;
		    } else if (typeof how == "number") {
		      indentation = curSpace + how;
		    }
		    indentation = Math.max(0, indentation);

		    var indentString = "", pos = 0;
		    if (cm.options.indentWithTabs)
		      { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} }
		    if (pos < indentation) { indentString += spaceStr(indentation - pos); }

		    if (indentString != curSpaceString) {
		      replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
		      line.stateAfter = null;
		      return true
		    } else {
		      // Ensure that, if the cursor was in the whitespace at the start
		      // of the line, it is moved to the end of that space.
		      for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {
		        var range = doc.sel.ranges[i$1];
		        if (range.head.line == n && range.head.ch < curSpaceString.length) {
		          var pos$1 = Pos(n, curSpaceString.length);
		          replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));
		          break
		        }
		      }
		    }
		  }

		  // This will be set to a {lineWise: bool, text: [string]} object, so
		  // that, when pasting, we know what kind of selections the copied
		  // text was made out of.
		  var lastCopied = null;

		  function setLastCopied(newLastCopied) {
		    lastCopied = newLastCopied;
		  }

		  function applyTextInput(cm, inserted, deleted, sel, origin) {
		    var doc = cm.doc;
		    cm.display.shift = false;
		    if (!sel) { sel = doc.sel; }

		    var recent = +new Date - 200;
		    var paste = origin == "paste" || cm.state.pasteIncoming > recent;
		    var textLines = splitLinesAuto(inserted), multiPaste = null;
		    // When pasting N lines into N selections, insert one line per selection
		    if (paste && sel.ranges.length > 1) {
		      if (lastCopied && lastCopied.text.join("\n") == inserted) {
		        if (sel.ranges.length % lastCopied.text.length == 0) {
		          multiPaste = [];
		          for (var i = 0; i < lastCopied.text.length; i++)
		            { multiPaste.push(doc.splitLines(lastCopied.text[i])); }
		        }
		      } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
		        multiPaste = map(textLines, function (l) { return [l]; });
		      }
		    }

		    var updateInput = cm.curOp.updateInput;
		    // Normal behavior is to insert the new text into every selection
		    for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {
		      var range = sel.ranges[i$1];
		      var from = range.from(), to = range.to();
		      if (range.empty()) {
		        if (deleted && deleted > 0) // Handle deletion
		          { from = Pos(from.line, from.ch - deleted); }
		        else if (cm.state.overwrite && !paste) // Handle overwrite
		          { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }
		        else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == textLines.join("\n"))
		          { from = to = Pos(from.line, 0); }
		      }
		      var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,
		                         origin: origin || (paste ? "paste" : cm.state.cutIncoming > recent ? "cut" : "+input")};
		      makeChange(cm.doc, changeEvent);
		      signalLater(cm, "inputRead", cm, changeEvent);
		    }
		    if (inserted && !paste)
		      { triggerElectric(cm, inserted); }

		    ensureCursorVisible(cm);
		    if (cm.curOp.updateInput < 2) { cm.curOp.updateInput = updateInput; }
		    cm.curOp.typing = true;
		    cm.state.pasteIncoming = cm.state.cutIncoming = -1;
		  }

		  function handlePaste(e, cm) {
		    var pasted = e.clipboardData && e.clipboardData.getData("Text");
		    if (pasted) {
		      e.preventDefault();
		      if (!cm.isReadOnly() && !cm.options.disableInput && cm.hasFocus())
		        { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); }
		      return true
		    }
		  }

		  function triggerElectric(cm, inserted) {
		    // When an 'electric' character is inserted, immediately trigger a reindent
		    if (!cm.options.electricChars || !cm.options.smartIndent) { return }
		    var sel = cm.doc.sel;

		    for (var i = sel.ranges.length - 1; i >= 0; i--) {
		      var range = sel.ranges[i];
		      if (range.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range.head.line)) { continue }
		      var mode = cm.getModeAt(range.head);
		      var indented = false;
		      if (mode.electricChars) {
		        for (var j = 0; j < mode.electricChars.length; j++)
		          { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
		            indented = indentLine(cm, range.head.line, "smart");
		            break
		          } }
		      } else if (mode.electricInput) {
		        if (mode.electricInput.test(getLine(cm.doc, range.head.line).text.slice(0, range.head.ch)))
		          { indented = indentLine(cm, range.head.line, "smart"); }
		      }
		      if (indented) { signalLater(cm, "electricInput", cm, range.head.line); }
		    }
		  }

		  function copyableRanges(cm) {
		    var text = [], ranges = [];
		    for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
		      var line = cm.doc.sel.ranges[i].head.line;
		      var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
		      ranges.push(lineRange);
		      text.push(cm.getRange(lineRange.anchor, lineRange.head));
		    }
		    return {text: text, ranges: ranges}
		  }

		  function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) {
		    field.setAttribute("autocorrect", autocorrect ? "on" : "off");
		    field.setAttribute("autocapitalize", autocapitalize ? "on" : "off");
		    field.setAttribute("spellcheck", !!spellcheck);
		  }

		  function hiddenTextarea() {
		    var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; min-height: 1em; outline: none");
		    var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
		    // The textarea is kept positioned near the cursor to prevent the
		    // fact that it'll be scrolled into view on input from scrolling
		    // our fake cursor out of view. On webkit, when wrap=off, paste is
		    // very slow. So make the area wide instead.
		    if (webkit) { te.style.width = "1000px"; }
		    else { te.setAttribute("wrap", "off"); }
		    // If border: 0; -- iOS fails to open keyboard (issue #1287)
		    if (ios) { te.style.border = "1px solid black"; }
		    return div
		  }

		  // The publicly visible API. Note that methodOp(f) means
		  // 'wrap f in an operation, performed on its `this` parameter'.

		  // This is not the complete set of editor methods. Most of the
		  // methods defined on the Doc type are also injected into
		  // CodeMirror.prototype, for backwards compatibility and
		  // convenience.

		  function addEditorMethods(CodeMirror) {
		    var optionHandlers = CodeMirror.optionHandlers;

		    var helpers = CodeMirror.helpers = {};

		    CodeMirror.prototype = {
		      constructor: CodeMirror,
		      focus: function(){win(this).focus(); this.display.input.focus();},

		      setOption: function(option, value) {
		        var options = this.options, old = options[option];
		        if (options[option] == value && option != "mode") { return }
		        options[option] = value;
		        if (optionHandlers.hasOwnProperty(option))
		          { operation(this, optionHandlers[option])(this, value, old); }
		        signal(this, "optionChange", this, option);
		      },

		      getOption: function(option) {return this.options[option]},
		      getDoc: function() {return this.doc},

		      addKeyMap: function(map, bottom) {
		        this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map));
		      },
		      removeKeyMap: function(map) {
		        var maps = this.state.keyMaps;
		        for (var i = 0; i < maps.length; ++i)
		          { if (maps[i] == map || maps[i].name == map) {
		            maps.splice(i, 1);
		            return true
		          } }
		      },

		      addOverlay: methodOp(function(spec, options) {
		        var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
		        if (mode.startState) { throw new Error("Overlays may not be stateful.") }
		        insertSorted(this.state.overlays,
		                     {mode: mode, modeSpec: spec, opaque: options && options.opaque,
		                      priority: (options && options.priority) || 0},
		                     function (overlay) { return overlay.priority; });
		        this.state.modeGen++;
		        regChange(this);
		      }),
		      removeOverlay: methodOp(function(spec) {
		        var overlays = this.state.overlays;
		        for (var i = 0; i < overlays.length; ++i) {
		          var cur = overlays[i].modeSpec;
		          if (cur == spec || typeof spec == "string" && cur.name == spec) {
		            overlays.splice(i, 1);
		            this.state.modeGen++;
		            regChange(this);
		            return
		          }
		        }
		      }),

		      indentLine: methodOp(function(n, dir, aggressive) {
		        if (typeof dir != "string" && typeof dir != "number") {
		          if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; }
		          else { dir = dir ? "add" : "subtract"; }
		        }
		        if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }
		      }),
		      indentSelection: methodOp(function(how) {
		        var ranges = this.doc.sel.ranges, end = -1;
		        for (var i = 0; i < ranges.length; i++) {
		          var range = ranges[i];
		          if (!range.empty()) {
		            var from = range.from(), to = range.to();
		            var start = Math.max(end, from.line);
		            end = Math.min(this.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
		            for (var j = start; j < end; ++j)
		              { indentLine(this, j, how); }
		            var newRanges = this.doc.sel.ranges;
		            if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
		              { replaceOneSelection(this.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }
		          } else if (range.head.line > end) {
		            indentLine(this, range.head.line, how, true);
		            end = range.head.line;
		            if (i == this.doc.sel.primIndex) { ensureCursorVisible(this); }
		          }
		        }
		      }),

		      // Fetch the parser token for a given character. Useful for hacks
		      // that want to inspect the mode state (say, for completion).
		      getTokenAt: function(pos, precise) {
		        return takeToken(this, pos, precise)
		      },

		      getLineTokens: function(line, precise) {
		        return takeToken(this, Pos(line), precise, true)
		      },

		      getTokenTypeAt: function(pos) {
		        pos = clipPos(this.doc, pos);
		        var styles = getLineStyles(this, getLine(this.doc, pos.line));
		        var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
		        var type;
		        if (ch == 0) { type = styles[2]; }
		        else { for (;;) {
		          var mid = (before + after) >> 1;
		          if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }
		          else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }
		          else { type = styles[mid * 2 + 2]; break }
		        } }
		        var cut = type ? type.indexOf("overlay ") : -1;
		        return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)
		      },

		      getModeAt: function(pos) {
		        var mode = this.doc.mode;
		        if (!mode.innerMode) { return mode }
		        return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode
		      },

		      getHelper: function(pos, type) {
		        return this.getHelpers(pos, type)[0]
		      },

		      getHelpers: function(pos, type) {
		        var found = [];
		        if (!helpers.hasOwnProperty(type)) { return found }
		        var help = helpers[type], mode = this.getModeAt(pos);
		        if (typeof mode[type] == "string") {
		          if (help[mode[type]]) { found.push(help[mode[type]]); }
		        } else if (mode[type]) {
		          for (var i = 0; i < mode[type].length; i++) {
		            var val = help[mode[type][i]];
		            if (val) { found.push(val); }
		          }
		        } else if (mode.helperType && help[mode.helperType]) {
		          found.push(help[mode.helperType]);
		        } else if (help[mode.name]) {
		          found.push(help[mode.name]);
		        }
		        for (var i$1 = 0; i$1 < help._global.length; i$1++) {
		          var cur = help._global[i$1];
		          if (cur.pred(mode, this) && indexOf(found, cur.val) == -1)
		            { found.push(cur.val); }
		        }
		        return found
		      },

		      getStateAfter: function(line, precise) {
		        var doc = this.doc;
		        line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
		        return getContextBefore(this, line + 1, precise).state
		      },

		      cursorCoords: function(start, mode) {
		        var pos, range = this.doc.sel.primary();
		        if (start == null) { pos = range.head; }
		        else if (typeof start == "object") { pos = clipPos(this.doc, start); }
		        else { pos = start ? range.from() : range.to(); }
		        return cursorCoords(this, pos, mode || "page")
		      },

		      charCoords: function(pos, mode) {
		        return charCoords(this, clipPos(this.doc, pos), mode || "page")
		      },

		      coordsChar: function(coords, mode) {
		        coords = fromCoordSystem(this, coords, mode || "page");
		        return coordsChar(this, coords.left, coords.top)
		      },

		      lineAtHeight: function(height, mode) {
		        height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
		        return lineAtHeight(this.doc, height + this.display.viewOffset)
		      },
		      heightAtLine: function(line, mode, includeWidgets) {
		        var end = false, lineObj;
		        if (typeof line == "number") {
		          var last = this.doc.first + this.doc.size - 1;
		          if (line < this.doc.first) { line = this.doc.first; }
		          else if (line > last) { line = last; end = true; }
		          lineObj = getLine(this.doc, line);
		        } else {
		          lineObj = line;
		        }
		        return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +
		          (end ? this.doc.height - heightAtLine(lineObj) : 0)
		      },

		      defaultTextHeight: function() { return textHeight(this.display) },
		      defaultCharWidth: function() { return charWidth(this.display) },

		      getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},

		      addWidget: function(pos, node, scroll, vert, horiz) {
		        var display = this.display;
		        pos = cursorCoords(this, clipPos(this.doc, pos));
		        var top = pos.bottom, left = pos.left;
		        node.style.position = "absolute";
		        node.setAttribute("cm-ignore-events", "true");
		        this.display.input.setUneditable(node);
		        display.sizer.appendChild(node);
		        if (vert == "over") {
		          top = pos.top;
		        } else if (vert == "above" || vert == "near") {
		          var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
		          hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
		          // Default to positioning above (if specified and possible); otherwise default to positioning below
		          if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
		            { top = pos.top - node.offsetHeight; }
		          else if (pos.bottom + node.offsetHeight <= vspace)
		            { top = pos.bottom; }
		          if (left + node.offsetWidth > hspace)
		            { left = hspace - node.offsetWidth; }
		        }
		        node.style.top = top + "px";
		        node.style.left = node.style.right = "";
		        if (horiz == "right") {
		          left = display.sizer.clientWidth - node.offsetWidth;
		          node.style.right = "0px";
		        } else {
		          if (horiz == "left") { left = 0; }
		          else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }
		          node.style.left = left + "px";
		        }
		        if (scroll)
		          { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }
		      },

		      triggerOnKeyDown: methodOp(onKeyDown),
		      triggerOnKeyPress: methodOp(onKeyPress),
		      triggerOnKeyUp: onKeyUp,
		      triggerOnMouseDown: methodOp(onMouseDown),

		      execCommand: function(cmd) {
		        if (commands.hasOwnProperty(cmd))
		          { return commands[cmd].call(null, this) }
		      },

		      triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),

		      findPosH: function(from, amount, unit, visually) {
		        var dir = 1;
		        if (amount < 0) { dir = -1; amount = -amount; }
		        var cur = clipPos(this.doc, from);
		        for (var i = 0; i < amount; ++i) {
		          cur = findPosH(this.doc, cur, dir, unit, visually);
		          if (cur.hitSide) { break }
		        }
		        return cur
		      },

		      moveH: methodOp(function(dir, unit) {
		        var this$1$1 = this;

		        this.extendSelectionsBy(function (range) {
		          if (this$1$1.display.shift || this$1$1.doc.extend || range.empty())
		            { return findPosH(this$1$1.doc, range.head, dir, unit, this$1$1.options.rtlMoveVisually) }
		          else
		            { return dir < 0 ? range.from() : range.to() }
		        }, sel_move);
		      }),

		      deleteH: methodOp(function(dir, unit) {
		        var sel = this.doc.sel, doc = this.doc;
		        if (sel.somethingSelected())
		          { doc.replaceSelection("", null, "+delete"); }
		        else
		          { deleteNearSelection(this, function (range) {
		            var other = findPosH(doc, range.head, dir, unit, false);
		            return dir < 0 ? {from: other, to: range.head} : {from: range.head, to: other}
		          }); }
		      }),

		      findPosV: function(from, amount, unit, goalColumn) {
		        var dir = 1, x = goalColumn;
		        if (amount < 0) { dir = -1; amount = -amount; }
		        var cur = clipPos(this.doc, from);
		        for (var i = 0; i < amount; ++i) {
		          var coords = cursorCoords(this, cur, "div");
		          if (x == null) { x = coords.left; }
		          else { coords.left = x; }
		          cur = findPosV(this, coords, dir, unit);
		          if (cur.hitSide) { break }
		        }
		        return cur
		      },

		      moveV: methodOp(function(dir, unit) {
		        var this$1$1 = this;

		        var doc = this.doc, goals = [];
		        var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();
		        doc.extendSelectionsBy(function (range) {
		          if (collapse)
		            { return dir < 0 ? range.from() : range.to() }
		          var headPos = cursorCoords(this$1$1, range.head, "div");
		          if (range.goalColumn != null) { headPos.left = range.goalColumn; }
		          goals.push(headPos.left);
		          var pos = findPosV(this$1$1, headPos, dir, unit);
		          if (unit == "page" && range == doc.sel.primary())
		            { addToScrollTop(this$1$1, charCoords(this$1$1, pos, "div").top - headPos.top); }
		          return pos
		        }, sel_move);
		        if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)
		          { doc.sel.ranges[i].goalColumn = goals[i]; } }
		      }),

		      // Find the word at the given position (as returned by coordsChar).
		      findWordAt: function(pos) {
		        var doc = this.doc, line = getLine(doc, pos.line).text;
		        var start = pos.ch, end = pos.ch;
		        if (line) {
		          var helper = this.getHelper(pos, "wordChars");
		          if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; }
		          var startChar = line.charAt(start);
		          var check = isWordChar(startChar, helper)
		            ? function (ch) { return isWordChar(ch, helper); }
		            : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); }
		            : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); };
		          while (start > 0 && check(line.charAt(start - 1))) { --start; }
		          while (end < line.length && check(line.charAt(end))) { ++end; }
		        }
		        return new Range(Pos(pos.line, start), Pos(pos.line, end))
		      },

		      toggleOverwrite: function(value) {
		        if (value != null && value == this.state.overwrite) { return }
		        if (this.state.overwrite = !this.state.overwrite)
		          { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
		        else
		          { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); }

		        signal(this, "overwriteToggle", this, this.state.overwrite);
		      },
		      hasFocus: function() { return this.display.input.getField() == activeElt(root(this)) },
		      isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },

		      scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),
		      getScrollInfo: function() {
		        var scroller = this.display.scroller;
		        return {left: scroller.scrollLeft, top: scroller.scrollTop,
		                height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
		                width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
		                clientHeight: displayHeight(this), clientWidth: displayWidth(this)}
		      },

		      scrollIntoView: methodOp(function(range, margin) {
		        if (range == null) {
		          range = {from: this.doc.sel.primary().head, to: null};
		          if (margin == null) { margin = this.options.cursorScrollMargin; }
		        } else if (typeof range == "number") {
		          range = {from: Pos(range, 0), to: null};
		        } else if (range.from == null) {
		          range = {from: range, to: null};
		        }
		        if (!range.to) { range.to = range.from; }
		        range.margin = margin || 0;

		        if (range.from.line != null) {
		          scrollToRange(this, range);
		        } else {
		          scrollToCoordsRange(this, range.from, range.to, range.margin);
		        }
		      }),

		      setSize: methodOp(function(width, height) {
		        var this$1$1 = this;

		        var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; };
		        if (width != null) { this.display.wrapper.style.width = interpret(width); }
		        if (height != null) { this.display.wrapper.style.height = interpret(height); }
		        if (this.options.lineWrapping) { clearLineMeasurementCache(this); }
		        var lineNo = this.display.viewFrom;
		        this.doc.iter(lineNo, this.display.viewTo, function (line) {
		          if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)
		            { if (line.widgets[i].noHScroll) { regLineChange(this$1$1, lineNo, "widget"); break } } }
		          ++lineNo;
		        });
		        this.curOp.forceUpdate = true;
		        signal(this, "refresh", this);
		      }),

		      operation: function(f){return runInOp(this, f)},
		      startOperation: function(){return startOperation(this)},
		      endOperation: function(){return endOperation(this)},

		      refresh: methodOp(function() {
		        var oldHeight = this.display.cachedTextHeight;
		        regChange(this);
		        this.curOp.forceUpdate = true;
		        clearCaches(this);
		        scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);
		        updateGutterSpace(this.display);
		        if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5 || this.options.lineWrapping)
		          { estimateLineHeights(this); }
		        signal(this, "refresh", this);
		      }),

		      swapDoc: methodOp(function(doc) {
		        var old = this.doc;
		        old.cm = null;
		        // Cancel the current text selection if any (#5821)
		        if (this.state.selectingText) { this.state.selectingText(); }
		        attachDoc(this, doc);
		        clearCaches(this);
		        this.display.input.reset();
		        scrollToCoords(this, doc.scrollLeft, doc.scrollTop);
		        this.curOp.forceScroll = true;
		        signalLater(this, "swapDoc", this, old);
		        return old
		      }),

		      phrase: function(phraseText) {
		        var phrases = this.options.phrases;
		        return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText
		      },

		      getInputField: function(){return this.display.input.getField()},
		      getWrapperElement: function(){return this.display.wrapper},
		      getScrollerElement: function(){return this.display.scroller},
		      getGutterElement: function(){return this.display.gutters}
		    };
		    eventMixin(CodeMirror);

		    CodeMirror.registerHelper = function(type, name, value) {
		      if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }
		      helpers[type][name] = value;
		    };
		    CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
		      CodeMirror.registerHelper(type, name, value);
		      helpers[type]._global.push({pred: predicate, val: value});
		    };
		  }

		  // Used for horizontal relative motion. Dir is -1 or 1 (left or
		  // right), unit can be "codepoint", "char", "column" (like char, but
		  // doesn't cross line boundaries), "word" (across next word), or
		  // "group" (to the start of next group of word or
		  // non-word-non-whitespace chars). The visually param controls
		  // whether, in right-to-left text, direction 1 means to move towards
		  // the next index in the string, or towards the character to the right
		  // of the current position. The resulting position will have a
		  // hitSide=true property if it reached the end of the document.
		  function findPosH(doc, pos, dir, unit, visually) {
		    var oldPos = pos;
		    var origDir = dir;
		    var lineObj = getLine(doc, pos.line);
		    var lineDir = visually && doc.direction == "rtl" ? -dir : dir;
		    function findNextLine() {
		      var l = pos.line + lineDir;
		      if (l < doc.first || l >= doc.first + doc.size) { return false }
		      pos = new Pos(l, pos.ch, pos.sticky);
		      return lineObj = getLine(doc, l)
		    }
		    function moveOnce(boundToLine) {
		      var next;
		      if (unit == "codepoint") {
		        var ch = lineObj.text.charCodeAt(pos.ch + (dir > 0 ? 0 : -1));
		        if (isNaN(ch)) {
		          next = null;
		        } else {
		          var astral = dir > 0 ? ch >= 0xD800 && ch < 0xDC00 : ch >= 0xDC00 && ch < 0xDFFF;
		          next = new Pos(pos.line, Math.max(0, Math.min(lineObj.text.length, pos.ch + dir * (astral ? 2 : 1))), -dir);
		        }
		      } else if (visually) {
		        next = moveVisually(doc.cm, lineObj, pos, dir);
		      } else {
		        next = moveLogically(lineObj, pos, dir);
		      }
		      if (next == null) {
		        if (!boundToLine && findNextLine())
		          { pos = endOfLine(visually, doc.cm, lineObj, pos.line, lineDir); }
		        else
		          { return false }
		      } else {
		        pos = next;
		      }
		      return true
		    }

		    if (unit == "char" || unit == "codepoint") {
		      moveOnce();
		    } else if (unit == "column") {
		      moveOnce(true);
		    } else if (unit == "word" || unit == "group") {
		      var sawType = null, group = unit == "group";
		      var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
		      for (var first = true;; first = false) {
		        if (dir < 0 && !moveOnce(!first)) { break }
		        var cur = lineObj.text.charAt(pos.ch) || "\n";
		        var type = isWordChar(cur, helper) ? "w"
		          : group && cur == "\n" ? "n"
		          : !group || /\s/.test(cur) ? null
		          : "p";
		        if (group && !first && !type) { type = "s"; }
		        if (sawType && sawType != type) {
		          if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";}
		          break
		        }

		        if (type) { sawType = type; }
		        if (dir > 0 && !moveOnce(!first)) { break }
		      }
		    }
		    var result = skipAtomic(doc, pos, oldPos, origDir, true);
		    if (equalCursorPos(oldPos, result)) { result.hitSide = true; }
		    return result
		  }

		  // For relative vertical movement. Dir may be -1 or 1. Unit can be
		  // "page" or "line". The resulting position will have a hitSide=true
		  // property if it reached the end of the document.
		  function findPosV(cm, pos, dir, unit) {
		    var doc = cm.doc, x = pos.left, y;
		    if (unit == "page") {
		      var pageSize = Math.min(cm.display.wrapper.clientHeight, win(cm).innerHeight || doc(cm).documentElement.clientHeight);
		      var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);
		      y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;

		    } else if (unit == "line") {
		      y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
		    }
		    var target;
		    for (;;) {
		      target = coordsChar(cm, x, y);
		      if (!target.outside) { break }
		      if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }
		      y += dir * 5;
		    }
		    return target
		  }

		  // CONTENTEDITABLE INPUT STYLE

		  var ContentEditableInput = function(cm) {
		    this.cm = cm;
		    this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
		    this.polling = new Delayed();
		    this.composing = null;
		    this.gracePeriod = false;
		    this.readDOMTimeout = null;
		  };

		  ContentEditableInput.prototype.init = function (display) {
		      var this$1$1 = this;

		    var input = this, cm = input.cm;
		    var div = input.div = display.lineDiv;
		    div.contentEditable = true;
		    disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize);

		    function belongsToInput(e) {
		      for (var t = e.target; t; t = t.parentNode) {
		        if (t == div) { return true }
		        if (/\bCodeMirror-(?:line)?widget\b/.test(t.className)) { break }
		      }
		      return false
		    }

		    on(div, "paste", function (e) {
		      if (!belongsToInput(e) || signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
		      // IE doesn't fire input events, so we schedule a read for the pasted content in this way
		      if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1$1.updateFromDOM(); }), 20); }
		    });

		    on(div, "compositionstart", function (e) {
		      this$1$1.composing = {data: e.data, done: false};
		    });
		    on(div, "compositionupdate", function (e) {
		      if (!this$1$1.composing) { this$1$1.composing = {data: e.data, done: false}; }
		    });
		    on(div, "compositionend", function (e) {
		      if (this$1$1.composing) {
		        if (e.data != this$1$1.composing.data) { this$1$1.readFromDOMSoon(); }
		        this$1$1.composing.done = true;
		      }
		    });

		    on(div, "touchstart", function () { return input.forceCompositionEnd(); });

		    on(div, "input", function () {
		      if (!this$1$1.composing) { this$1$1.readFromDOMSoon(); }
		    });

		    function onCopyCut(e) {
		      if (!belongsToInput(e) || signalDOMEvent(cm, e)) { return }
		      if (cm.somethingSelected()) {
		        setLastCopied({lineWise: false, text: cm.getSelections()});
		        if (e.type == "cut") { cm.replaceSelection("", null, "cut"); }
		      } else if (!cm.options.lineWiseCopyCut) {
		        return
		      } else {
		        var ranges = copyableRanges(cm);
		        setLastCopied({lineWise: true, text: ranges.text});
		        if (e.type == "cut") {
		          cm.operation(function () {
		            cm.setSelections(ranges.ranges, 0, sel_dontScroll);
		            cm.replaceSelection("", null, "cut");
		          });
		        }
		      }
		      if (e.clipboardData) {
		        e.clipboardData.clearData();
		        var content = lastCopied.text.join("\n");
		        // iOS exposes the clipboard API, but seems to discard content inserted into it
		        e.clipboardData.setData("Text", content);
		        if (e.clipboardData.getData("Text") == content) {
		          e.preventDefault();
		          return
		        }
		      }
		      // Old-fashioned briefly-focus-a-textarea hack
		      var kludge = hiddenTextarea(), te = kludge.firstChild;
		      disableBrowserMagic(te);
		      cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
		      te.value = lastCopied.text.join("\n");
		      var hadFocus = activeElt(rootNode(div));
		      selectInput(te);
		      setTimeout(function () {
		        cm.display.lineSpace.removeChild(kludge);
		        hadFocus.focus();
		        if (hadFocus == div) { input.showPrimarySelection(); }
		      }, 50);
		    }
		    on(div, "copy", onCopyCut);
		    on(div, "cut", onCopyCut);
		  };

		  ContentEditableInput.prototype.screenReaderLabelChanged = function (label) {
		    // Label for screenreaders, accessibility
		    if(label) {
		      this.div.setAttribute('aria-label', label);
		    } else {
		      this.div.removeAttribute('aria-label');
		    }
		  };

		  ContentEditableInput.prototype.prepareSelection = function () {
		    var result = prepareSelection(this.cm, false);
		    result.focus = activeElt(rootNode(this.div)) == this.div;
		    return result
		  };

		  ContentEditableInput.prototype.showSelection = function (info, takeFocus) {
		    if (!info || !this.cm.display.view.length) { return }
		    if (info.focus || takeFocus) { this.showPrimarySelection(); }
		    this.showMultipleSelections(info);
		  };

		  ContentEditableInput.prototype.getSelection = function () {
		    return this.cm.display.wrapper.ownerDocument.getSelection()
		  };

		  ContentEditableInput.prototype.showPrimarySelection = function () {
		    var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();
		    var from = prim.from(), to = prim.to();

		    if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
		      sel.removeAllRanges();
		      return
		    }

		    var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
		    var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);
		    if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
		        cmp(minPos(curAnchor, curFocus), from) == 0 &&
		        cmp(maxPos(curAnchor, curFocus), to) == 0)
		      { return }

		    var view = cm.display.view;
		    var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||
		        {node: view[0].measure.map[2], offset: 0};
		    var end = to.line < cm.display.viewTo && posToDOM(cm, to);
		    if (!end) {
		      var measure = view[view.length - 1].measure;
		      var map = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
		      end = {node: map[map.length - 1], offset: map[map.length - 2] - map[map.length - 3]};
		    }

		    if (!start || !end) {
		      sel.removeAllRanges();
		      return
		    }

		    var old = sel.rangeCount && sel.getRangeAt(0), rng;
		    try { rng = range(start.node, start.offset, end.offset, end.node); }
		    catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
		    if (rng) {
		      if (!gecko && cm.state.focused) {
		        sel.collapse(start.node, start.offset);
		        if (!rng.collapsed) {
		          sel.removeAllRanges();
		          sel.addRange(rng);
		        }
		      } else {
		        sel.removeAllRanges();
		        sel.addRange(rng);
		      }
		      if (old && sel.anchorNode == null) { sel.addRange(old); }
		      else if (gecko) { this.startGracePeriod(); }
		    }
		    this.rememberSelection();
		  };

		  ContentEditableInput.prototype.startGracePeriod = function () {
		      var this$1$1 = this;

		    clearTimeout(this.gracePeriod);
		    this.gracePeriod = setTimeout(function () {
		      this$1$1.gracePeriod = false;
		      if (this$1$1.selectionChanged())
		        { this$1$1.cm.operation(function () { return this$1$1.cm.curOp.selectionChanged = true; }); }
		    }, 20);
		  };

		  ContentEditableInput.prototype.showMultipleSelections = function (info) {
		    removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
		    removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
		  };

		  ContentEditableInput.prototype.rememberSelection = function () {
		    var sel = this.getSelection();
		    this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
		    this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
		  };

		  ContentEditableInput.prototype.selectionInEditor = function () {
		    var sel = this.getSelection();
		    if (!sel.rangeCount) { return false }
		    var node = sel.getRangeAt(0).commonAncestorContainer;
		    return contains(this.div, node)
		  };

		  ContentEditableInput.prototype.focus = function () {
		    if (this.cm.options.readOnly != "nocursor") {
		      if (!this.selectionInEditor() || activeElt(rootNode(this.div)) != this.div)
		        { this.showSelection(this.prepareSelection(), true); }
		      this.div.focus();
		    }
		  };
		  ContentEditableInput.prototype.blur = function () { this.div.blur(); };
		  ContentEditableInput.prototype.getField = function () { return this.div };

		  ContentEditableInput.prototype.supportsTouch = function () { return true };

		  ContentEditableInput.prototype.receivedFocus = function () {
		      var this$1$1 = this;

		    var input = this;
		    if (this.selectionInEditor())
		      { setTimeout(function () { return this$1$1.pollSelection(); }, 20); }
		    else
		      { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }

		    function poll() {
		      if (input.cm.state.focused) {
		        input.pollSelection();
		        input.polling.set(input.cm.options.pollInterval, poll);
		      }
		    }
		    this.polling.set(this.cm.options.pollInterval, poll);
		  };

		  ContentEditableInput.prototype.selectionChanged = function () {
		    var sel = this.getSelection();
		    return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
		      sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset
		  };

		  ContentEditableInput.prototype.pollSelection = function () {
		    if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }
		    var sel = this.getSelection(), cm = this.cm;
		    // On Android Chrome (version 56, at least), backspacing into an
		    // uneditable block element will put the cursor in that element,
		    // and then, because it's not editable, hide the virtual keyboard.
		    // Because Android doesn't allow us to actually detect backspace
		    // presses in a sane way, this code checks for when that happens
		    // and simulates a backspace press in this case.
		    if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) {
		      this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});
		      this.blur();
		      this.focus();
		      return
		    }
		    if (this.composing) { return }
		    this.rememberSelection();
		    var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
		    var head = domToPos(cm, sel.focusNode, sel.focusOffset);
		    if (anchor && head) { runInOp(cm, function () {
		      setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
		      if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }
		    }); }
		  };

		  ContentEditableInput.prototype.pollContent = function () {
		    if (this.readDOMTimeout != null) {
		      clearTimeout(this.readDOMTimeout);
		      this.readDOMTimeout = null;
		    }

		    var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
		    var from = sel.from(), to = sel.to();
		    if (from.ch == 0 && from.line > cm.firstLine())
		      { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }
		    if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())
		      { to = Pos(to.line + 1, 0); }
		    if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }

		    var fromIndex, fromLine, fromNode;
		    if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
		      fromLine = lineNo(display.view[0].line);
		      fromNode = display.view[0].node;
		    } else {
		      fromLine = lineNo(display.view[fromIndex].line);
		      fromNode = display.view[fromIndex - 1].node.nextSibling;
		    }
		    var toIndex = findViewIndex(cm, to.line);
		    var toLine, toNode;
		    if (toIndex == display.view.length - 1) {
		      toLine = display.viewTo - 1;
		      toNode = display.lineDiv.lastChild;
		    } else {
		      toLine = lineNo(display.view[toIndex + 1].line) - 1;
		      toNode = display.view[toIndex + 1].node.previousSibling;
		    }

		    if (!fromNode) { return false }
		    var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
		    var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
		    while (newText.length > 1 && oldText.length > 1) {
		      if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
		      else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
		      else { break }
		    }

		    var cutFront = 0, cutEnd = 0;
		    var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
		    while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
		      { ++cutFront; }
		    var newBot = lst(newText), oldBot = lst(oldText);
		    var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
		                             oldBot.length - (oldText.length == 1 ? cutFront : 0));
		    while (cutEnd < maxCutEnd &&
		           newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
		      { ++cutEnd; }
		    // Try to move start of change to start of selection if ambiguous
		    if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {
		      while (cutFront && cutFront > from.ch &&
		             newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {
		        cutFront--;
		        cutEnd++;
		      }
		    }

		    newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "");
		    newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "");

		    var chFrom = Pos(fromLine, cutFront);
		    var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
		    if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
		      replaceRange(cm.doc, newText, chFrom, chTo, "+input");
		      return true
		    }
		  };

		  ContentEditableInput.prototype.ensurePolled = function () {
		    this.forceCompositionEnd();
		  };
		  ContentEditableInput.prototype.reset = function () {
		    this.forceCompositionEnd();
		  };
		  ContentEditableInput.prototype.forceCompositionEnd = function () {
		    if (!this.composing) { return }
		    clearTimeout(this.readDOMTimeout);
		    this.composing = null;
		    this.updateFromDOM();
		    this.div.blur();
		    this.div.focus();
		  };
		  ContentEditableInput.prototype.readFromDOMSoon = function () {
		      var this$1$1 = this;

		    if (this.readDOMTimeout != null) { return }
		    this.readDOMTimeout = setTimeout(function () {
		      this$1$1.readDOMTimeout = null;
		      if (this$1$1.composing) {
		        if (this$1$1.composing.done) { this$1$1.composing = null; }
		        else { return }
		      }
		      this$1$1.updateFromDOM();
		    }, 80);
		  };

		  ContentEditableInput.prototype.updateFromDOM = function () {
		      var this$1$1 = this;

		    if (this.cm.isReadOnly() || !this.pollContent())
		      { runInOp(this.cm, function () { return regChange(this$1$1.cm); }); }
		  };

		  ContentEditableInput.prototype.setUneditable = function (node) {
		    node.contentEditable = "false";
		  };

		  ContentEditableInput.prototype.onKeyPress = function (e) {
		    if (e.charCode == 0 || this.composing) { return }
		    e.preventDefault();
		    if (!this.cm.isReadOnly())
		      { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }
		  };

		  ContentEditableInput.prototype.readOnlyChanged = function (val) {
		    this.div.contentEditable = String(val != "nocursor");
		  };

		  ContentEditableInput.prototype.onContextMenu = function () {};
		  ContentEditableInput.prototype.resetPosition = function () {};

		  ContentEditableInput.prototype.needsContentAttribute = true;

		  function posToDOM(cm, pos) {
		    var view = findViewForLine(cm, pos.line);
		    if (!view || view.hidden) { return null }
		    var line = getLine(cm.doc, pos.line);
		    var info = mapFromLineView(view, line, pos.line);

		    var order = getOrder(line, cm.doc.direction), side = "left";
		    if (order) {
		      var partPos = getBidiPartAt(order, pos.ch);
		      side = partPos % 2 ? "right" : "left";
		    }
		    var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
		    result.offset = result.collapse == "right" ? result.end : result.start;
		    return result
		  }

		  function isInGutter(node) {
		    for (var scan = node; scan; scan = scan.parentNode)
		      { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }
		    return false
		  }

		  function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }

		  function domTextBetween(cm, from, to, fromLine, toLine) {
		    var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false;
		    function recognizeMarker(id) { return function (marker) { return marker.id == id; } }
		    function close() {
		      if (closing) {
		        text += lineSep;
		        if (extraLinebreak) { text += lineSep; }
		        closing = extraLinebreak = false;
		      }
		    }
		    function addText(str) {
		      if (str) {
		        close();
		        text += str;
		      }
		    }
		    function walk(node) {
		      if (node.nodeType == 1) {
		        var cmText = node.getAttribute("cm-text");
		        if (cmText) {
		          addText(cmText);
		          return
		        }
		        var markerID = node.getAttribute("cm-marker"), range;
		        if (markerID) {
		          var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
		          if (found.length && (range = found[0].find(0)))
		            { addText(getBetween(cm.doc, range.from, range.to).join(lineSep)); }
		          return
		        }
		        if (node.getAttribute("contenteditable") == "false") { return }
		        var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName);
		        if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return }

		        if (isBlock) { close(); }
		        for (var i = 0; i < node.childNodes.length; i++)
		          { walk(node.childNodes[i]); }

		        if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; }
		        if (isBlock) { closing = true; }
		      } else if (node.nodeType == 3) {
		        addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " "));
		      }
		    }
		    for (;;) {
		      walk(from);
		      if (from == to) { break }
		      from = from.nextSibling;
		      extraLinebreak = false;
		    }
		    return text
		  }

		  function domToPos(cm, node, offset) {
		    var lineNode;
		    if (node == cm.display.lineDiv) {
		      lineNode = cm.display.lineDiv.childNodes[offset];
		      if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }
		      node = null; offset = 0;
		    } else {
		      for (lineNode = node;; lineNode = lineNode.parentNode) {
		        if (!lineNode || lineNode == cm.display.lineDiv) { return null }
		        if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }
		      }
		    }
		    for (var i = 0; i < cm.display.view.length; i++) {
		      var lineView = cm.display.view[i];
		      if (lineView.node == lineNode)
		        { return locateNodeInLineView(lineView, node, offset) }
		    }
		  }

		  function locateNodeInLineView(lineView, node, offset) {
		    var wrapper = lineView.text.firstChild, bad = false;
		    if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }
		    if (node == wrapper) {
		      bad = true;
		      node = wrapper.childNodes[offset];
		      offset = 0;
		      if (!node) {
		        var line = lineView.rest ? lst(lineView.rest) : lineView.line;
		        return badPos(Pos(lineNo(line), line.text.length), bad)
		      }
		    }

		    var textNode = node.nodeType == 3 ? node : null, topNode = node;
		    if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
		      textNode = node.firstChild;
		      if (offset) { offset = textNode.nodeValue.length; }
		    }
		    while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }
		    var measure = lineView.measure, maps = measure.maps;

		    function find(textNode, topNode, offset) {
		      for (var i = -1; i < (maps ? maps.length : 0); i++) {
		        var map = i < 0 ? measure.map : maps[i];
		        for (var j = 0; j < map.length; j += 3) {
		          var curNode = map[j + 2];
		          if (curNode == textNode || curNode == topNode) {
		            var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
		            var ch = map[j] + offset;
		            if (offset < 0 || curNode != textNode) { ch = map[j + (offset ? 1 : 0)]; }
		            return Pos(line, ch)
		          }
		        }
		      }
		    }
		    var found = find(textNode, topNode, offset);
		    if (found) { return badPos(found, bad) }

		    // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
		    for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
		      found = find(after, after.firstChild, 0);
		      if (found)
		        { return badPos(Pos(found.line, found.ch - dist), bad) }
		      else
		        { dist += after.textContent.length; }
		    }
		    for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {
		      found = find(before, before.firstChild, -1);
		      if (found)
		        { return badPos(Pos(found.line, found.ch + dist$1), bad) }
		      else
		        { dist$1 += before.textContent.length; }
		    }
		  }

		  // TEXTAREA INPUT STYLE

		  var TextareaInput = function(cm) {
		    this.cm = cm;
		    // See input.poll and input.reset
		    this.prevInput = "";

		    // Flag that indicates whether we expect input to appear real soon
		    // now (after some event like 'keypress' or 'input') and are
		    // polling intensively.
		    this.pollingFast = false;
		    // Self-resetting timeout for the poller
		    this.polling = new Delayed();
		    // Used to work around IE issue with selection being forgotten when focus moves away from textarea
		    this.hasSelection = false;
		    this.composing = null;
		    this.resetting = false;
		  };

		  TextareaInput.prototype.init = function (display) {
		      var this$1$1 = this;

		    var input = this, cm = this.cm;
		    this.createField(display);
		    var te = this.textarea;

		    display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild);

		    // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
		    if (ios) { te.style.width = "0px"; }

		    on(te, "input", function () {
		      if (ie && ie_version >= 9 && this$1$1.hasSelection) { this$1$1.hasSelection = null; }
		      input.poll();
		    });

		    on(te, "paste", function (e) {
		      if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }

		      cm.state.pasteIncoming = +new Date;
		      input.fastPoll();
		    });

		    function prepareCopyCut(e) {
		      if (signalDOMEvent(cm, e)) { return }
		      if (cm.somethingSelected()) {
		        setLastCopied({lineWise: false, text: cm.getSelections()});
		      } else if (!cm.options.lineWiseCopyCut) {
		        return
		      } else {
		        var ranges = copyableRanges(cm);
		        setLastCopied({lineWise: true, text: ranges.text});
		        if (e.type == "cut") {
		          cm.setSelections(ranges.ranges, null, sel_dontScroll);
		        } else {
		          input.prevInput = "";
		          te.value = ranges.text.join("\n");
		          selectInput(te);
		        }
		      }
		      if (e.type == "cut") { cm.state.cutIncoming = +new Date; }
		    }
		    on(te, "cut", prepareCopyCut);
		    on(te, "copy", prepareCopyCut);

		    on(display.scroller, "paste", function (e) {
		      if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }
		      if (!te.dispatchEvent) {
		        cm.state.pasteIncoming = +new Date;
		        input.focus();
		        return
		      }

		      // Pass the `paste` event to the textarea so it's handled by its event listener.
		      var event = new Event("paste");
		      event.clipboardData = e.clipboardData;
		      te.dispatchEvent(event);
		    });

		    // Prevent normal selection in the editor (we handle our own)
		    on(display.lineSpace, "selectstart", function (e) {
		      if (!eventInWidget(display, e)) { e_preventDefault(e); }
		    });

		    on(te, "compositionstart", function () {
		      var start = cm.getCursor("from");
		      if (input.composing) { input.composing.range.clear(); }
		      input.composing = {
		        start: start,
		        range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
		      };
		    });
		    on(te, "compositionend", function () {
		      if (input.composing) {
		        input.poll();
		        input.composing.range.clear();
		        input.composing = null;
		      }
		    });
		  };

		  TextareaInput.prototype.createField = function (_display) {
		    // Wraps and hides input textarea
		    this.wrapper = hiddenTextarea();
		    // The semihidden textarea that is focused when the editor is
		    // focused, and receives input.
		    this.textarea = this.wrapper.firstChild;
		    var opts = this.cm.options;
		    disableBrowserMagic(this.textarea, opts.spellcheck, opts.autocorrect, opts.autocapitalize);
		  };

		  TextareaInput.prototype.screenReaderLabelChanged = function (label) {
		    // Label for screenreaders, accessibility
		    if(label) {
		      this.textarea.setAttribute('aria-label', label);
		    } else {
		      this.textarea.removeAttribute('aria-label');
		    }
		  };

		  TextareaInput.prototype.prepareSelection = function () {
		    // Redraw the selection and/or cursor
		    var cm = this.cm, display = cm.display, doc = cm.doc;
		    var result = prepareSelection(cm);

		    // Move the hidden textarea near the cursor to prevent scrolling artifacts
		    if (cm.options.moveInputWithCursor) {
		      var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
		      var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
		      result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
		                                          headPos.top + lineOff.top - wrapOff.top));
		      result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
		                                           headPos.left + lineOff.left - wrapOff.left));
		    }

		    return result
		  };

		  TextareaInput.prototype.showSelection = function (drawn) {
		    var cm = this.cm, display = cm.display;
		    removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
		    removeChildrenAndAdd(display.selectionDiv, drawn.selection);
		    if (drawn.teTop != null) {
		      this.wrapper.style.top = drawn.teTop + "px";
		      this.wrapper.style.left = drawn.teLeft + "px";
		    }
		  };

		  // Reset the input to correspond to the selection (or to be empty,
		  // when not typing and nothing is selected)
		  TextareaInput.prototype.reset = function (typing) {
		    if (this.contextMenuPending || this.composing && typing) { return }
		    var cm = this.cm;
		    this.resetting = true;
		    if (cm.somethingSelected()) {
		      this.prevInput = "";
		      var content = cm.getSelection();
		      this.textarea.value = content;
		      if (cm.state.focused) { selectInput(this.textarea); }
		      if (ie && ie_version >= 9) { this.hasSelection = content; }
		    } else if (!typing) {
		      this.prevInput = this.textarea.value = "";
		      if (ie && ie_version >= 9) { this.hasSelection = null; }
		    }
		    this.resetting = false;
		  };

		  TextareaInput.prototype.getField = function () { return this.textarea };

		  TextareaInput.prototype.supportsTouch = function () { return false };

		  TextareaInput.prototype.focus = function () {
		    if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt(rootNode(this.textarea)) != this.textarea)) {
		      try { this.textarea.focus(); }
		      catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
		    }
		  };

		  TextareaInput.prototype.blur = function () { this.textarea.blur(); };

		  TextareaInput.prototype.resetPosition = function () {
		    this.wrapper.style.top = this.wrapper.style.left = 0;
		  };

		  TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };

		  // Poll for input changes, using the normal rate of polling. This
		  // runs as long as the editor is focused.
		  TextareaInput.prototype.slowPoll = function () {
		      var this$1$1 = this;

		    if (this.pollingFast) { return }
		    this.polling.set(this.cm.options.pollInterval, function () {
		      this$1$1.poll();
		      if (this$1$1.cm.state.focused) { this$1$1.slowPoll(); }
		    });
		  };

		  // When an event has just come in that is likely to add or change
		  // something in the input textarea, we poll faster, to ensure that
		  // the change appears on the screen quickly.
		  TextareaInput.prototype.fastPoll = function () {
		    var missed = false, input = this;
		    input.pollingFast = true;
		    function p() {
		      var changed = input.poll();
		      if (!changed && !missed) {missed = true; input.polling.set(60, p);}
		      else {input.pollingFast = false; input.slowPoll();}
		    }
		    input.polling.set(20, p);
		  };

		  // Read input from the textarea, and update the document to match.
		  // When something is selected, it is present in the textarea, and
		  // selected (unless it is huge, in which case a placeholder is
		  // used). When nothing is selected, the cursor sits after previously
		  // seen text (can be empty), which is stored in prevInput (we must
		  // not reset the textarea when typing, because that breaks IME).
		  TextareaInput.prototype.poll = function () {
		      var this$1$1 = this;

		    var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
		    // Since this is called a *lot*, try to bail out as cheaply as
		    // possible when it is clear that nothing happened. hasSelection
		    // will be the case when there is a lot of text in the textarea,
		    // in which case reading its value would be expensive.
		    if (this.contextMenuPending || this.resetting || !cm.state.focused ||
		        (hasSelection(input) && !prevInput && !this.composing) ||
		        cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
		      { return false }

		    var text = input.value;
		    // If nothing changed, bail.
		    if (text == prevInput && !cm.somethingSelected()) { return false }
		    // Work around nonsensical selection resetting in IE9/10, and
		    // inexplicable appearance of private area unicode characters on
		    // some key combos in Mac (#2689).
		    if (ie && ie_version >= 9 && this.hasSelection === text ||
		        mac && /[\uf700-\uf7ff]/.test(text)) {
		      cm.display.input.reset();
		      return false
		    }

		    if (cm.doc.sel == cm.display.selForContextMenu) {
		      var first = text.charCodeAt(0);
		      if (first == 0x200b && !prevInput) { prevInput = "\u200b"; }
		      if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }
		    }
		    // Find the part of the input that is actually new
		    var same = 0, l = Math.min(prevInput.length, text.length);
		    while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }

		    runInOp(cm, function () {
		      applyTextInput(cm, text.slice(same), prevInput.length - same,
		                     null, this$1$1.composing ? "*compose" : null);

		      // Don't leave long text in the textarea, since it makes further polling slow
		      if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1$1.prevInput = ""; }
		      else { this$1$1.prevInput = text; }

		      if (this$1$1.composing) {
		        this$1$1.composing.range.clear();
		        this$1$1.composing.range = cm.markText(this$1$1.composing.start, cm.getCursor("to"),
		                                           {className: "CodeMirror-composing"});
		      }
		    });
		    return true
		  };

		  TextareaInput.prototype.ensurePolled = function () {
		    if (this.pollingFast && this.poll()) { this.pollingFast = false; }
		  };

		  TextareaInput.prototype.onKeyPress = function () {
		    if (ie && ie_version >= 9) { this.hasSelection = null; }
		    this.fastPoll();
		  };

		  TextareaInput.prototype.onContextMenu = function (e) {
		    var input = this, cm = input.cm, display = cm.display, te = input.textarea;
		    if (input.contextMenuPending) { input.contextMenuPending(); }
		    var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
		    if (!pos || presto) { return } // Opera is difficult.

		    // Reset the current text selection only if the click is done outside of the selection
		    // and 'resetSelectionOnContextMenu' option is true.
		    var reset = cm.options.resetSelectionOnContextMenu;
		    if (reset && cm.doc.sel.contains(pos) == -1)
		      { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }

		    var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;
		    var wrapperBox = input.wrapper.offsetParent.getBoundingClientRect();
		    input.wrapper.style.cssText = "position: static";
		    te.style.cssText = "position: absolute; width: 30px; height: 30px;\n      top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n      z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n      outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
		    var oldScrollY;
		    if (webkit) { oldScrollY = te.ownerDocument.defaultView.scrollY; } // Work around Chrome issue (#2712)
		    display.input.focus();
		    if (webkit) { te.ownerDocument.defaultView.scrollTo(null, oldScrollY); }
		    display.input.reset();
		    // Adds "Select all" to context menu in FF
		    if (!cm.somethingSelected()) { te.value = input.prevInput = " "; }
		    input.contextMenuPending = rehide;
		    display.selForContextMenu = cm.doc.sel;
		    clearTimeout(display.detectingSelectAll);

		    // Select-all will be greyed out if there's nothing to select, so
		    // this adds a zero-width space so that we can later check whether
		    // it got selected.
		    function prepareSelectAllHack() {
		      if (te.selectionStart != null) {
		        var selected = cm.somethingSelected();
		        var extval = "\u200b" + (selected ? te.value : "");
		        te.value = "\u21da"; // Used to catch context-menu undo
		        te.value = extval;
		        input.prevInput = selected ? "" : "\u200b";
		        te.selectionStart = 1; te.selectionEnd = extval.length;
		        // Re-set this, in case some other handler touched the
		        // selection in the meantime.
		        display.selForContextMenu = cm.doc.sel;
		      }
		    }
		    function rehide() {
		      if (input.contextMenuPending != rehide) { return }
		      input.contextMenuPending = false;
		      input.wrapper.style.cssText = oldWrapperCSS;
		      te.style.cssText = oldCSS;
		      if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }

		      // Try to detect the user choosing select-all
		      if (te.selectionStart != null) {
		        if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }
		        var i = 0, poll = function () {
		          if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
		              te.selectionEnd > 0 && input.prevInput == "\u200b") {
		            operation(cm, selectAll)(cm);
		          } else if (i++ < 10) {
		            display.detectingSelectAll = setTimeout(poll, 500);
		          } else {
		            display.selForContextMenu = null;
		            display.input.reset();
		          }
		        };
		        display.detectingSelectAll = setTimeout(poll, 200);
		      }
		    }

		    if (ie && ie_version >= 9) { prepareSelectAllHack(); }
		    if (captureRightClick) {
		      e_stop(e);
		      var mouseup = function () {
		        off(window, "mouseup", mouseup);
		        setTimeout(rehide, 20);
		      };
		      on(window, "mouseup", mouseup);
		    } else {
		      setTimeout(rehide, 50);
		    }
		  };

		  TextareaInput.prototype.readOnlyChanged = function (val) {
		    if (!val) { this.reset(); }
		    this.textarea.disabled = val == "nocursor";
		    this.textarea.readOnly = !!val;
		  };

		  TextareaInput.prototype.setUneditable = function () {};

		  TextareaInput.prototype.needsContentAttribute = false;

		  function fromTextArea(textarea, options) {
		    options = options ? copyObj(options) : {};
		    options.value = textarea.value;
		    if (!options.tabindex && textarea.tabIndex)
		      { options.tabindex = textarea.tabIndex; }
		    if (!options.placeholder && textarea.placeholder)
		      { options.placeholder = textarea.placeholder; }
		    // Set autofocus to true if this textarea is focused, or if it has
		    // autofocus and no other element is focused.
		    if (options.autofocus == null) {
		      var hasFocus = activeElt(rootNode(textarea));
		      options.autofocus = hasFocus == textarea ||
		        textarea.getAttribute("autofocus") != null && hasFocus == document.body;
		    }

		    function save() {textarea.value = cm.getValue();}

		    var realSubmit;
		    if (textarea.form) {
		      on(textarea.form, "submit", save);
		      // Deplorable hack to make the submit method do the right thing.
		      if (!options.leaveSubmitMethodAlone) {
		        var form = textarea.form;
		        realSubmit = form.submit;
		        try {
		          var wrappedSubmit = form.submit = function () {
		            save();
		            form.submit = realSubmit;
		            form.submit();
		            form.submit = wrappedSubmit;
		          };
		        } catch(e) {}
		      }
		    }

		    options.finishInit = function (cm) {
		      cm.save = save;
		      cm.getTextArea = function () { return textarea; };
		      cm.toTextArea = function () {
		        cm.toTextArea = isNaN; // Prevent this from being ran twice
		        save();
		        textarea.parentNode.removeChild(cm.getWrapperElement());
		        textarea.style.display = "";
		        if (textarea.form) {
		          off(textarea.form, "submit", save);
		          if (!options.leaveSubmitMethodAlone && typeof textarea.form.submit == "function")
		            { textarea.form.submit = realSubmit; }
		        }
		      };
		    };

		    textarea.style.display = "none";
		    var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },
		      options);
		    return cm
		  }

		  function addLegacyProps(CodeMirror) {
		    CodeMirror.off = off;
		    CodeMirror.on = on;
		    CodeMirror.wheelEventPixels = wheelEventPixels;
		    CodeMirror.Doc = Doc;
		    CodeMirror.splitLines = splitLinesAuto;
		    CodeMirror.countColumn = countColumn;
		    CodeMirror.findColumn = findColumn;
		    CodeMirror.isWordChar = isWordCharBasic;
		    CodeMirror.Pass = Pass;
		    CodeMirror.signal = signal;
		    CodeMirror.Line = Line;
		    CodeMirror.changeEnd = changeEnd;
		    CodeMirror.scrollbarModel = scrollbarModel;
		    CodeMirror.Pos = Pos;
		    CodeMirror.cmpPos = cmp;
		    CodeMirror.modes = modes;
		    CodeMirror.mimeModes = mimeModes;
		    CodeMirror.resolveMode = resolveMode;
		    CodeMirror.getMode = getMode;
		    CodeMirror.modeExtensions = modeExtensions;
		    CodeMirror.extendMode = extendMode;
		    CodeMirror.copyState = copyState;
		    CodeMirror.startState = startState;
		    CodeMirror.innerMode = innerMode;
		    CodeMirror.commands = commands;
		    CodeMirror.keyMap = keyMap;
		    CodeMirror.keyName = keyName;
		    CodeMirror.isModifierKey = isModifierKey;
		    CodeMirror.lookupKey = lookupKey;
		    CodeMirror.normalizeKeyMap = normalizeKeyMap;
		    CodeMirror.StringStream = StringStream;
		    CodeMirror.SharedTextMarker = SharedTextMarker;
		    CodeMirror.TextMarker = TextMarker;
		    CodeMirror.LineWidget = LineWidget;
		    CodeMirror.e_preventDefault = e_preventDefault;
		    CodeMirror.e_stopPropagation = e_stopPropagation;
		    CodeMirror.e_stop = e_stop;
		    CodeMirror.addClass = addClass;
		    CodeMirror.contains = contains;
		    CodeMirror.rmClass = rmClass;
		    CodeMirror.keyNames = keyNames;
		  }

		  // EDITOR CONSTRUCTOR

		  defineOptions(CodeMirror);

		  addEditorMethods(CodeMirror);

		  // Set up methods on CodeMirror's prototype to redirect to the editor's document.
		  var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
		  for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
		    { CodeMirror.prototype[prop] = (function(method) {
		      return function() {return method.apply(this.doc, arguments)}
		    })(Doc.prototype[prop]); } }

		  eventMixin(Doc);
		  CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};

		  // Extra arguments are stored as the mode's dependencies, which is
		  // used by (legacy) mechanisms like loadmode.js to automatically
		  // load a mode. (Preferred mechanism is the require/define calls.)
		  CodeMirror.defineMode = function(name/*, mode, …*/) {
		    if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; }
		    defineMode.apply(this, arguments);
		  };

		  CodeMirror.defineMIME = defineMIME;

		  // Minimal default mode.
		  CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
		  CodeMirror.defineMIME("text/plain", "null");

		  // EXTENSIONS

		  CodeMirror.defineExtension = function (name, func) {
		    CodeMirror.prototype[name] = func;
		  };
		  CodeMirror.defineDocExtension = function (name, func) {
		    Doc.prototype[name] = func;
		  };

		  CodeMirror.fromTextArea = fromTextArea;

		  addLegacyProps(CodeMirror);

		  CodeMirror.version = "5.65.18";

		  return CodeMirror;

		}))); 
	} (codemirror$1));
	return codemirror$1.exports;
}
/* Injected with object hook! */

var codemirrorExports = requireCodemirror();
const CodeMirror = /*@__PURE__*/getDefaultExportFromCjs(codemirrorExports);
/* Injected with object hook! */

var dialog = {exports: {}};/* Injected with object hook! */

var hasRequiredDialog;

function requireDialog () {
	if (hasRequiredDialog) return dialog.exports;
	hasRequiredDialog = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		// Open simple dialogs on top of an editor. Relies on dialog.css.

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {
		  function dialogDiv(cm, template, bottom) {
		    var wrap = cm.getWrapperElement();
		    var dialog;
		    dialog = wrap.appendChild(document.createElement("div"));
		    if (bottom)
		      dialog.className = "CodeMirror-dialog CodeMirror-dialog-bottom";
		    else
		      dialog.className = "CodeMirror-dialog CodeMirror-dialog-top";

		    if (typeof template == "string") {
		      dialog.innerHTML = template;
		    } else { // Assuming it's a detached DOM element.
		      dialog.appendChild(template);
		    }
		    CodeMirror.addClass(wrap, 'dialog-opened');
		    return dialog;
		  }

		  function closeNotification(cm, newVal) {
		    if (cm.state.currentNotificationClose)
		      cm.state.currentNotificationClose();
		    cm.state.currentNotificationClose = newVal;
		  }

		  CodeMirror.defineExtension("openDialog", function(template, callback, options) {
		    if (!options) options = {};

		    closeNotification(this, null);

		    var dialog = dialogDiv(this, template, options.bottom);
		    var closed = false, me = this;
		    function close(newVal) {
		      if (typeof newVal == 'string') {
		        inp.value = newVal;
		      } else {
		        if (closed) return;
		        closed = true;
		        CodeMirror.rmClass(dialog.parentNode, 'dialog-opened');
		        dialog.parentNode.removeChild(dialog);
		        me.focus();

		        if (options.onClose) options.onClose(dialog);
		      }
		    }

		    var inp = dialog.getElementsByTagName("input")[0], button;
		    if (inp) {
		      inp.focus();

		      if (options.value) {
		        inp.value = options.value;
		        if (options.selectValueOnOpen !== false) {
		          inp.select();
		        }
		      }

		      if (options.onInput)
		        CodeMirror.on(inp, "input", function(e) { options.onInput(e, inp.value, close);});
		      if (options.onKeyUp)
		        CodeMirror.on(inp, "keyup", function(e) {options.onKeyUp(e, inp.value, close);});

		      CodeMirror.on(inp, "keydown", function(e) {
		        if (options && options.onKeyDown && options.onKeyDown(e, inp.value, close)) { return; }
		        if (e.keyCode == 27 || (options.closeOnEnter !== false && e.keyCode == 13)) {
		          inp.blur();
		          CodeMirror.e_stop(e);
		          close();
		        }
		        if (e.keyCode == 13) callback(inp.value, e);
		      });

		      if (options.closeOnBlur !== false) CodeMirror.on(dialog, "focusout", function (evt) {
		        if (evt.relatedTarget !== null) close();
		      });
		    } else if (button = dialog.getElementsByTagName("button")[0]) {
		      CodeMirror.on(button, "click", function() {
		        close();
		        me.focus();
		      });

		      if (options.closeOnBlur !== false) CodeMirror.on(button, "blur", close);

		      button.focus();
		    }
		    return close;
		  });

		  CodeMirror.defineExtension("openConfirm", function(template, callbacks, options) {
		    closeNotification(this, null);
		    var dialog = dialogDiv(this, template, options && options.bottom);
		    var buttons = dialog.getElementsByTagName("button");
		    var closed = false, me = this, blurring = 1;
		    function close() {
		      if (closed) return;
		      closed = true;
		      CodeMirror.rmClass(dialog.parentNode, 'dialog-opened');
		      dialog.parentNode.removeChild(dialog);
		      me.focus();
		    }
		    buttons[0].focus();
		    for (var i = 0; i < buttons.length; ++i) {
		      var b = buttons[i];
		      (function(callback) {
		        CodeMirror.on(b, "click", function(e) {
		          CodeMirror.e_preventDefault(e);
		          close();
		          if (callback) callback(me);
		        });
		      })(callbacks[i]);
		      CodeMirror.on(b, "blur", function() {
		        --blurring;
		        setTimeout(function() { if (blurring <= 0) close(); }, 200);
		      });
		      CodeMirror.on(b, "focus", function() { ++blurring; });
		    }
		  });

		  /*
		   * openNotification
		   * Opens a notification, that can be closed with an optional timer
		   * (default 5000ms timer) and always closes on click.
		   *
		   * If a notification is opened while another is opened, it will close the
		   * currently opened one and open the new one immediately.
		   */
		  CodeMirror.defineExtension("openNotification", function(template, options) {
		    closeNotification(this, close);
		    var dialog = dialogDiv(this, template, options && options.bottom);
		    var closed = false, doneTimer;
		    var duration = options && typeof options.duration !== "undefined" ? options.duration : 5000;

		    function close() {
		      if (closed) return;
		      closed = true;
		      clearTimeout(doneTimer);
		      CodeMirror.rmClass(dialog.parentNode, 'dialog-opened');
		      dialog.parentNode.removeChild(dialog);
		    }

		    CodeMirror.on(dialog, 'click', function(e) {
		      CodeMirror.e_preventDefault(e);
		      close();
		    });

		    if (duration)
		      doneTimer = setTimeout(close, duration);

		    return close;
		  });
		}); 
	} ());
	return dialog.exports;
}
/* Injected with object hook! */

requireDialog();
/* Injected with object hook! */

/* Injected with object hook! */

var placeholder = {exports: {}};/* Injected with object hook! */

var hasRequiredPlaceholder;

function requirePlaceholder () {
	if (hasRequiredPlaceholder) return placeholder.exports;
	hasRequiredPlaceholder = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {
		  CodeMirror.defineOption("placeholder", "", function(cm, val, old) {
		    var prev = old && old != CodeMirror.Init;
		    if (val && !prev) {
		      cm.on("blur", onBlur);
		      cm.on("change", onChange);
		      cm.on("swapDoc", onChange);
		      CodeMirror.on(cm.getInputField(), "compositionupdate", cm.state.placeholderCompose = function() { onComposition(cm); });
		      onChange(cm);
		    } else if (!val && prev) {
		      cm.off("blur", onBlur);
		      cm.off("change", onChange);
		      cm.off("swapDoc", onChange);
		      CodeMirror.off(cm.getInputField(), "compositionupdate", cm.state.placeholderCompose);
		      clearPlaceholder(cm);
		      var wrapper = cm.getWrapperElement();
		      wrapper.className = wrapper.className.replace(" CodeMirror-empty", "");
		    }

		    if (val && !cm.hasFocus()) onBlur(cm);
		  });

		  function clearPlaceholder(cm) {
		    if (cm.state.placeholder) {
		      cm.state.placeholder.parentNode.removeChild(cm.state.placeholder);
		      cm.state.placeholder = null;
		    }
		  }
		  function setPlaceholder(cm) {
		    clearPlaceholder(cm);
		    var elt = cm.state.placeholder = document.createElement("pre");
		    elt.style.cssText = "height: 0; overflow: visible";
		    elt.style.direction = cm.getOption("direction");
		    elt.className = "CodeMirror-placeholder CodeMirror-line-like";
		    var placeHolder = cm.getOption("placeholder");
		    if (typeof placeHolder == "string") placeHolder = document.createTextNode(placeHolder);
		    elt.appendChild(placeHolder);
		    cm.display.lineSpace.insertBefore(elt, cm.display.lineSpace.firstChild);
		  }

		  function onComposition(cm) {
		    setTimeout(function() {
		      var empty = false;
		      if (cm.lineCount() == 1) {
		        var input = cm.getInputField();
		        empty = input.nodeName == "TEXTAREA" ? !cm.getLine(0).length
		          : !/[^\u200b]/.test(input.querySelector(".CodeMirror-line").textContent);
		      }
		      if (empty) setPlaceholder(cm);
		      else clearPlaceholder(cm);
		    }, 20);
		  }

		  function onBlur(cm) {
		    if (isEmpty(cm)) setPlaceholder(cm);
		  }
		  function onChange(cm) {
		    var wrapper = cm.getWrapperElement(), empty = isEmpty(cm);
		    wrapper.className = wrapper.className.replace(" CodeMirror-empty", "") + (empty ? " CodeMirror-empty" : "");

		    if (empty) setPlaceholder(cm);
		    else clearPlaceholder(cm);
		  }

		  function isEmpty(cm) {
		    return (cm.lineCount() === 1) && (cm.getLine(0) === "");
		  }
		}); 
	} ());
	return placeholder.exports;
}
/* Injected with object hook! */

requirePlaceholder();
/* Injected with object hook! */

var jumpToLine = {exports: {}};/* Injected with object hook! */

var hasRequiredJumpToLine;

function requireJumpToLine () {
	if (hasRequiredJumpToLine) return jumpToLine.exports;
	hasRequiredJumpToLine = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		// Defines jumpToLine command. Uses dialog.js if present.

		(function(mod) {
		  mod(requireCodemirror(), requireDialog());
		})(function(CodeMirror) {

		  // default search panel location
		  CodeMirror.defineOption("search", {bottom: false});

		  function dialog(cm, text, shortText, deflt, f) {
		    if (cm.openDialog) cm.openDialog(text, f, {value: deflt, selectValueOnOpen: true, bottom: cm.options.search.bottom});
		    else f(prompt(shortText, deflt));
		  }

		  function getJumpDialog(cm) {
		    return cm.phrase("Jump to line:") + ' <input type="text" style="width: 10em" class="CodeMirror-search-field"/> <span style="color: #888" class="CodeMirror-search-hint">' + cm.phrase("(Use line:column or scroll% syntax)") + '</span>';
		  }

		  function interpretLine(cm, string) {
		    var num = Number(string);
		    if (/^[-+]/.test(string)) return cm.getCursor().line + num
		    else return num - 1
		  }

		  CodeMirror.commands.jumpToLine = function(cm) {
		    var cur = cm.getCursor();
		    dialog(cm, getJumpDialog(cm), cm.phrase("Jump to line:"), (cur.line + 1) + ":" + cur.ch, function(posStr) {
		      if (!posStr) return;

		      var match;
		      if (match = /^\s*([\+\-]?\d+)\s*\:\s*(\d+)\s*$/.exec(posStr)) {
		        cm.setCursor(interpretLine(cm, match[1]), Number(match[2]));
		      } else if (match = /^\s*([\+\-]?\d+(\.\d+)?)\%\s*/.exec(posStr)) {
		        var line = Math.round(cm.lineCount() * Number(match[1]) / 100);
		        if (/^[-+]/.test(match[1])) line = cur.line + line + 1;
		        cm.setCursor(line - 1, cur.ch);
		      } else if (match = /^\s*\:?\s*([\+\-]?\d+)\s*/.exec(posStr)) {
		        cm.setCursor(interpretLine(cm, match[1]), cur.ch);
		      }
		    });
		  };

		  CodeMirror.keyMap["default"]["Alt-G"] = "jumpToLine";
		}); 
	} ());
	return jumpToLine.exports;
}
/* Injected with object hook! */

requireJumpToLine();
/* Injected with object hook! */

var search = {exports: {}};/* Injected with object hook! */

var searchcursor = {exports: {}};/* Injected with object hook! */

var hasRequiredSearchcursor;

function requireSearchcursor () {
	if (hasRequiredSearchcursor) return searchcursor.exports;
	hasRequiredSearchcursor = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {
		  var Pos = CodeMirror.Pos;

		  function regexpFlags(regexp) {
		    var flags = regexp.flags;
		    return flags != null ? flags : (regexp.ignoreCase ? "i" : "")
		      + (regexp.global ? "g" : "")
		      + (regexp.multiline ? "m" : "")
		  }

		  function ensureFlags(regexp, flags) {
		    var current = regexpFlags(regexp), target = current;
		    for (var i = 0; i < flags.length; i++) if (target.indexOf(flags.charAt(i)) == -1)
		      target += flags.charAt(i);
		    return current == target ? regexp : new RegExp(regexp.source, target)
		  }

		  function maybeMultiline(regexp) {
		    return /\\s|\\n|\n|\\W|\\D|\[\^/.test(regexp.source)
		  }

		  function searchRegexpForward(doc, regexp, start) {
		    regexp = ensureFlags(regexp, "g");
		    for (var line = start.line, ch = start.ch, last = doc.lastLine(); line <= last; line++, ch = 0) {
		      regexp.lastIndex = ch;
		      var string = doc.getLine(line), match = regexp.exec(string);
		      if (match)
		        return {from: Pos(line, match.index),
		                to: Pos(line, match.index + match[0].length),
		                match: match}
		    }
		  }

		  function searchRegexpForwardMultiline(doc, regexp, start) {
		    if (!maybeMultiline(regexp)) return searchRegexpForward(doc, regexp, start)

		    regexp = ensureFlags(regexp, "gm");
		    var string, chunk = 1;
		    for (var line = start.line, last = doc.lastLine(); line <= last;) {
		      // This grows the search buffer in exponentially-sized chunks
		      // between matches, so that nearby matches are fast and don't
		      // require concatenating the whole document (in case we're
		      // searching for something that has tons of matches), but at the
		      // same time, the amount of retries is limited.
		      for (var i = 0; i < chunk; i++) {
		        if (line > last) break
		        var curLine = doc.getLine(line++);
		        string = string == null ? curLine : string + "\n" + curLine;
		      }
		      chunk = chunk * 2;
		      regexp.lastIndex = start.ch;
		      var match = regexp.exec(string);
		      if (match) {
		        var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n");
		        var startLine = start.line + before.length - 1, startCh = before[before.length - 1].length;
		        return {from: Pos(startLine, startCh),
		                to: Pos(startLine + inside.length - 1,
		                        inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length),
		                match: match}
		      }
		    }
		  }

		  function lastMatchIn(string, regexp, endMargin) {
		    var match, from = 0;
		    while (from <= string.length) {
		      regexp.lastIndex = from;
		      var newMatch = regexp.exec(string);
		      if (!newMatch) break
		      var end = newMatch.index + newMatch[0].length;
		      if (end > string.length - endMargin) break
		      if (!match || end > match.index + match[0].length)
		        match = newMatch;
		      from = newMatch.index + 1;
		    }
		    return match
		  }

		  function searchRegexpBackward(doc, regexp, start) {
		    regexp = ensureFlags(regexp, "g");
		    for (var line = start.line, ch = start.ch, first = doc.firstLine(); line >= first; line--, ch = -1) {
		      var string = doc.getLine(line);
		      var match = lastMatchIn(string, regexp, ch < 0 ? 0 : string.length - ch);
		      if (match)
		        return {from: Pos(line, match.index),
		                to: Pos(line, match.index + match[0].length),
		                match: match}
		    }
		  }

		  function searchRegexpBackwardMultiline(doc, regexp, start) {
		    if (!maybeMultiline(regexp)) return searchRegexpBackward(doc, regexp, start)
		    regexp = ensureFlags(regexp, "gm");
		    var string, chunkSize = 1, endMargin = doc.getLine(start.line).length - start.ch;
		    for (var line = start.line, first = doc.firstLine(); line >= first;) {
		      for (var i = 0; i < chunkSize && line >= first; i++) {
		        var curLine = doc.getLine(line--);
		        string = string == null ? curLine : curLine + "\n" + string;
		      }
		      chunkSize *= 2;

		      var match = lastMatchIn(string, regexp, endMargin);
		      if (match) {
		        var before = string.slice(0, match.index).split("\n"), inside = match[0].split("\n");
		        var startLine = line + before.length, startCh = before[before.length - 1].length;
		        return {from: Pos(startLine, startCh),
		                to: Pos(startLine + inside.length - 1,
		                        inside.length == 1 ? startCh + inside[0].length : inside[inside.length - 1].length),
		                match: match}
		      }
		    }
		  }

		  var doFold, noFold;
		  if (String.prototype.normalize) {
		    doFold = function(str) { return str.normalize("NFD").toLowerCase() };
		    noFold = function(str) { return str.normalize("NFD") };
		  } else {
		    doFold = function(str) { return str.toLowerCase() };
		    noFold = function(str) { return str };
		  }

		  // Maps a position in a case-folded line back to a position in the original line
		  // (compensating for codepoints increasing in number during folding)
		  function adjustPos(orig, folded, pos, foldFunc) {
		    if (orig.length == folded.length) return pos
		    for (var min = 0, max = pos + Math.max(0, orig.length - folded.length);;) {
		      if (min == max) return min
		      var mid = (min + max) >> 1;
		      var len = foldFunc(orig.slice(0, mid)).length;
		      if (len == pos) return mid
		      else if (len > pos) max = mid;
		      else min = mid + 1;
		    }
		  }

		  function searchStringForward(doc, query, start, caseFold) {
		    // Empty string would match anything and never progress, so we
		    // define it to match nothing instead.
		    if (!query.length) return null
		    var fold = caseFold ? doFold : noFold;
		    var lines = fold(query).split(/\r|\n\r?/);

		    search: for (var line = start.line, ch = start.ch, last = doc.lastLine() + 1 - lines.length; line <= last; line++, ch = 0) {
		      var orig = doc.getLine(line).slice(ch), string = fold(orig);
		      if (lines.length == 1) {
		        var found = string.indexOf(lines[0]);
		        if (found == -1) continue search
		        var start = adjustPos(orig, string, found, fold) + ch;
		        return {from: Pos(line, adjustPos(orig, string, found, fold) + ch),
		                to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold) + ch)}
		      } else {
		        var cutFrom = string.length - lines[0].length;
		        if (string.slice(cutFrom) != lines[0]) continue search
		        for (var i = 1; i < lines.length - 1; i++)
		          if (fold(doc.getLine(line + i)) != lines[i]) continue search
		        var end = doc.getLine(line + lines.length - 1), endString = fold(end), lastLine = lines[lines.length - 1];
		        if (endString.slice(0, lastLine.length) != lastLine) continue search
		        return {from: Pos(line, adjustPos(orig, string, cutFrom, fold) + ch),
		                to: Pos(line + lines.length - 1, adjustPos(end, endString, lastLine.length, fold))}
		      }
		    }
		  }

		  function searchStringBackward(doc, query, start, caseFold) {
		    if (!query.length) return null
		    var fold = caseFold ? doFold : noFold;
		    var lines = fold(query).split(/\r|\n\r?/);

		    search: for (var line = start.line, ch = start.ch, first = doc.firstLine() - 1 + lines.length; line >= first; line--, ch = -1) {
		      var orig = doc.getLine(line);
		      if (ch > -1) orig = orig.slice(0, ch);
		      var string = fold(orig);
		      if (lines.length == 1) {
		        var found = string.lastIndexOf(lines[0]);
		        if (found == -1) continue search
		        return {from: Pos(line, adjustPos(orig, string, found, fold)),
		                to: Pos(line, adjustPos(orig, string, found + lines[0].length, fold))}
		      } else {
		        var lastLine = lines[lines.length - 1];
		        if (string.slice(0, lastLine.length) != lastLine) continue search
		        for (var i = 1, start = line - lines.length + 1; i < lines.length - 1; i++)
		          if (fold(doc.getLine(start + i)) != lines[i]) continue search
		        var top = doc.getLine(line + 1 - lines.length), topString = fold(top);
		        if (topString.slice(topString.length - lines[0].length) != lines[0]) continue search
		        return {from: Pos(line + 1 - lines.length, adjustPos(top, topString, top.length - lines[0].length, fold)),
		                to: Pos(line, adjustPos(orig, string, lastLine.length, fold))}
		      }
		    }
		  }

		  function SearchCursor(doc, query, pos, options) {
		    this.atOccurrence = false;
		    this.afterEmptyMatch = false;
		    this.doc = doc;
		    pos = pos ? doc.clipPos(pos) : Pos(0, 0);
		    this.pos = {from: pos, to: pos};

		    var caseFold;
		    if (typeof options == "object") {
		      caseFold = options.caseFold;
		    } else { // Backwards compat for when caseFold was the 4th argument
		      caseFold = options;
		      options = null;
		    }

		    if (typeof query == "string") {
		      if (caseFold == null) caseFold = false;
		      this.matches = function(reverse, pos) {
		        return (reverse ? searchStringBackward : searchStringForward)(doc, query, pos, caseFold)
		      };
		    } else {
		      query = ensureFlags(query, "gm");
		      if (!options || options.multiline !== false)
		        this.matches = function(reverse, pos) {
		          return (reverse ? searchRegexpBackwardMultiline : searchRegexpForwardMultiline)(doc, query, pos)
		        };
		      else
		        this.matches = function(reverse, pos) {
		          return (reverse ? searchRegexpBackward : searchRegexpForward)(doc, query, pos)
		        };
		    }
		  }

		  SearchCursor.prototype = {
		    findNext: function() {return this.find(false)},
		    findPrevious: function() {return this.find(true)},

		    find: function(reverse) {
		      var head = this.doc.clipPos(reverse ? this.pos.from : this.pos.to);
		      if (this.afterEmptyMatch && this.atOccurrence) {
		        // do not return the same 0 width match twice
		        head = Pos(head.line, head.ch);
		        if (reverse) {
		          head.ch--;
		          if (head.ch < 0) {
		            head.line--;
		            head.ch = (this.doc.getLine(head.line) || "").length;
		          }
		        } else {
		          head.ch++;
		          if (head.ch > (this.doc.getLine(head.line) || "").length) {
		            head.ch = 0;
		            head.line++;
		          }
		        }
		        if (CodeMirror.cmpPos(head, this.doc.clipPos(head)) != 0) {
		           return this.atOccurrence = false
		        }
		      }
		      var result = this.matches(reverse, head);
		      this.afterEmptyMatch = result && CodeMirror.cmpPos(result.from, result.to) == 0;

		      if (result) {
		        this.pos = result;
		        this.atOccurrence = true;
		        return this.pos.match || true
		      } else {
		        var end = Pos(reverse ? this.doc.firstLine() : this.doc.lastLine() + 1, 0);
		        this.pos = {from: end, to: end};
		        return this.atOccurrence = false
		      }
		    },

		    from: function() {if (this.atOccurrence) return this.pos.from},
		    to: function() {if (this.atOccurrence) return this.pos.to},

		    replace: function(newText, origin) {
		      if (!this.atOccurrence) return
		      var lines = CodeMirror.splitLines(newText);
		      this.doc.replaceRange(lines, this.pos.from, this.pos.to, origin);
		      this.pos.to = Pos(this.pos.from.line + lines.length - 1,
		                        lines[lines.length - 1].length + (lines.length == 1 ? this.pos.from.ch : 0));
		    }
		  };

		  CodeMirror.defineExtension("getSearchCursor", function(query, pos, caseFold) {
		    return new SearchCursor(this.doc, query, pos, caseFold)
		  });
		  CodeMirror.defineDocExtension("getSearchCursor", function(query, pos, caseFold) {
		    return new SearchCursor(this, query, pos, caseFold)
		  });

		  CodeMirror.defineExtension("selectMatches", function(query, caseFold) {
		    var ranges = [];
		    var cur = this.getSearchCursor(query, this.getCursor("from"), caseFold);
		    while (cur.findNext()) {
		      if (CodeMirror.cmpPos(cur.to(), this.getCursor("to")) > 0) break
		      ranges.push({anchor: cur.from(), head: cur.to()});
		    }
		    if (ranges.length)
		      this.setSelections(ranges, 0);
		  });
		}); 
	} ());
	return searchcursor.exports;
}
/* Injected with object hook! */

var hasRequiredSearch;

function requireSearch () {
	if (hasRequiredSearch) return search.exports;
	hasRequiredSearch = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		// Define search commands. Depends on dialog.js or another
		// implementation of the openDialog method.

		// Replace works a little oddly -- it will do the replace on the next
		// Ctrl-G (or whatever is bound to findNext) press. You prevent a
		// replace by making sure the match is no longer selected when hitting
		// Ctrl-G.

		(function(mod) {
		  mod(requireCodemirror(), requireSearchcursor(), requireDialog());
		})(function(CodeMirror) {

		  // default search panel location
		  CodeMirror.defineOption("search", {bottom: false});

		  function searchOverlay(query, caseInsensitive) {
		    if (typeof query == "string")
		      query = new RegExp(query.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&"), caseInsensitive ? "gi" : "g");
		    else if (!query.global)
		      query = new RegExp(query.source, query.ignoreCase ? "gi" : "g");

		    return {token: function(stream) {
		      query.lastIndex = stream.pos;
		      var match = query.exec(stream.string);
		      if (match && match.index == stream.pos) {
		        stream.pos += match[0].length || 1;
		        return "searching";
		      } else if (match) {
		        stream.pos = match.index;
		      } else {
		        stream.skipToEnd();
		      }
		    }};
		  }

		  function SearchState() {
		    this.posFrom = this.posTo = this.lastQuery = this.query = null;
		    this.overlay = null;
		  }

		  function getSearchState(cm) {
		    return cm.state.search || (cm.state.search = new SearchState());
		  }

		  function queryCaseInsensitive(query) {
		    return typeof query == "string" && query == query.toLowerCase();
		  }

		  function getSearchCursor(cm, query, pos) {
		    // Heuristic: if the query string is all lowercase, do a case insensitive search.
		    return cm.getSearchCursor(query, pos, {caseFold: queryCaseInsensitive(query), multiline: true});
		  }

		  function persistentDialog(cm, text, deflt, onEnter, onKeyDown) {
		    cm.openDialog(text, onEnter, {
		      value: deflt,
		      selectValueOnOpen: true,
		      closeOnEnter: false,
		      onClose: function() { clearSearch(cm); },
		      onKeyDown: onKeyDown,
		      bottom: cm.options.search.bottom
		    });
		  }

		  function dialog(cm, text, shortText, deflt, f) {
		    if (cm.openDialog) cm.openDialog(text, f, {value: deflt, selectValueOnOpen: true, bottom: cm.options.search.bottom});
		    else f(prompt(shortText, deflt));
		  }

		  function confirmDialog(cm, text, shortText, fs) {
		    if (cm.openConfirm) cm.openConfirm(text, fs);
		    else if (confirm(shortText)) fs[0]();
		  }

		  function parseString(string) {
		    return string.replace(/\\([nrt\\])/g, function(match, ch) {
		      if (ch == "n") return "\n"
		      if (ch == "r") return "\r"
		      if (ch == "t") return "\t"
		      if (ch == "\\") return "\\"
		      return match
		    })
		  }

		  function parseQuery(query) {
		    var isRE = query.match(/^\/(.*)\/([a-z]*)$/);
		    if (isRE) {
		      try { query = new RegExp(isRE[1], isRE[2].indexOf("i") == -1 ? "" : "i"); }
		      catch(e) {} // Not a regular expression after all, do a string search
		    } else {
		      query = parseString(query);
		    }
		    if (typeof query == "string" ? query == "" : query.test(""))
		      query = /x^/;
		    return query;
		  }

		  function startSearch(cm, state, query) {
		    state.queryText = query;
		    state.query = parseQuery(query);
		    cm.removeOverlay(state.overlay, queryCaseInsensitive(state.query));
		    state.overlay = searchOverlay(state.query, queryCaseInsensitive(state.query));
		    cm.addOverlay(state.overlay);
		    if (cm.showMatchesOnScrollbar) {
		      if (state.annotate) { state.annotate.clear(); state.annotate = null; }
		      state.annotate = cm.showMatchesOnScrollbar(state.query, queryCaseInsensitive(state.query));
		    }
		  }

		  function doSearch(cm, rev, persistent, immediate) {
		    var state = getSearchState(cm);
		    if (state.query) return findNext(cm, rev);
		    var q = cm.getSelection() || state.lastQuery;
		    if (q instanceof RegExp && q.source == "x^") q = null;
		    if (persistent && cm.openDialog) {
		      var hiding = null;
		      var searchNext = function(query, event) {
		        CodeMirror.e_stop(event);
		        if (!query) return;
		        if (query != state.queryText) {
		          startSearch(cm, state, query);
		          state.posFrom = state.posTo = cm.getCursor();
		        }
		        if (hiding) hiding.style.opacity = 1;
		        findNext(cm, event.shiftKey, function(_, to) {
		          var dialog;
		          if (to.line < 3 && document.querySelector &&
		              (dialog = cm.display.wrapper.querySelector(".CodeMirror-dialog")) &&
		              dialog.getBoundingClientRect().bottom - 4 > cm.cursorCoords(to, "window").top)
		            (hiding = dialog).style.opacity = .4;
		        });
		      };
		      persistentDialog(cm, getQueryDialog(cm), q, searchNext, function(event, query) {
		        var keyName = CodeMirror.keyName(event);
		        var extra = cm.getOption('extraKeys'), cmd = (extra && extra[keyName]) || CodeMirror.keyMap[cm.getOption("keyMap")][keyName];
		        if (cmd == "findNext" || cmd == "findPrev" ||
		          cmd == "findPersistentNext" || cmd == "findPersistentPrev") {
		          CodeMirror.e_stop(event);
		          startSearch(cm, getSearchState(cm), query);
		          cm.execCommand(cmd);
		        } else if (cmd == "find" || cmd == "findPersistent") {
		          CodeMirror.e_stop(event);
		          searchNext(query, event);
		        }
		      });
		      if (immediate && q) {
		        startSearch(cm, state, q);
		        findNext(cm, rev);
		      }
		    } else {
		      dialog(cm, getQueryDialog(cm), "Search for:", q, function(query) {
		        if (query && !state.query) cm.operation(function() {
		          startSearch(cm, state, query);
		          state.posFrom = state.posTo = cm.getCursor();
		          findNext(cm, rev);
		        });
		      });
		    }
		  }

		  function findNext(cm, rev, callback) {cm.operation(function() {
		    var state = getSearchState(cm);
		    var cursor = getSearchCursor(cm, state.query, rev ? state.posFrom : state.posTo);
		    if (!cursor.find(rev)) {
		      cursor = getSearchCursor(cm, state.query, rev ? CodeMirror.Pos(cm.lastLine()) : CodeMirror.Pos(cm.firstLine(), 0));
		      if (!cursor.find(rev)) return;
		    }
		    cm.setSelection(cursor.from(), cursor.to());
		    cm.scrollIntoView({from: cursor.from(), to: cursor.to()}, 20);
		    state.posFrom = cursor.from(); state.posTo = cursor.to();
		    if (callback) callback(cursor.from(), cursor.to());
		  });}

		  function clearSearch(cm) {cm.operation(function() {
		    var state = getSearchState(cm);
		    state.lastQuery = state.query;
		    if (!state.query) return;
		    state.query = state.queryText = null;
		    cm.removeOverlay(state.overlay);
		    if (state.annotate) { state.annotate.clear(); state.annotate = null; }
		  });}

		  function el(tag, attrs) {
		    var element = tag ? document.createElement(tag) : document.createDocumentFragment();
		    for (var key in attrs) {
		      element[key] = attrs[key];
		    }
		    for (var i = 2; i < arguments.length; i++) {
		      var child = arguments[i];
		      element.appendChild(typeof child == "string" ? document.createTextNode(child) : child);
		    }
		    return element;
		  }

		  function getQueryDialog(cm)  {
		    var label = el("label", {className: "CodeMirror-search-label"},
		                   cm.phrase("Search:"),
		                   el("input", {type: "text", "style": "width: 10em", className: "CodeMirror-search-field",
		                                id: "CodeMirror-search-field"}));
		    label.setAttribute("for","CodeMirror-search-field");
		    return el("", null, label, " ",
		              el("span", {style: "color: #666", className: "CodeMirror-search-hint"},
		                 cm.phrase("(Use /re/ syntax for regexp search)")));
		  }
		  function getReplaceQueryDialog(cm) {
		    return el("", null, " ",
		              el("input", {type: "text", "style": "width: 10em", className: "CodeMirror-search-field"}), " ",
		              el("span", {style: "color: #666", className: "CodeMirror-search-hint"},
		                 cm.phrase("(Use /re/ syntax for regexp search)")));
		  }
		  function getReplacementQueryDialog(cm) {
		    return el("", null,
		              el("span", {className: "CodeMirror-search-label"}, cm.phrase("With:")), " ",
		              el("input", {type: "text", "style": "width: 10em", className: "CodeMirror-search-field"}));
		  }
		  function getDoReplaceConfirm(cm) {
		    return el("", null,
		              el("span", {className: "CodeMirror-search-label"}, cm.phrase("Replace?")), " ",
		              el("button", {}, cm.phrase("Yes")), " ",
		              el("button", {}, cm.phrase("No")), " ",
		              el("button", {}, cm.phrase("All")), " ",
		              el("button", {}, cm.phrase("Stop")));
		  }

		  function replaceAll(cm, query, text) {
		    cm.operation(function() {
		      for (var cursor = getSearchCursor(cm, query); cursor.findNext();) {
		        if (typeof query != "string") {
		          var match = cm.getRange(cursor.from(), cursor.to()).match(query);
		          cursor.replace(text.replace(/\$(\d)/g, function(_, i) {return match[i];}));
		        } else cursor.replace(text);
		      }
		    });
		  }

		  function replace(cm, all) {
		    if (cm.getOption("readOnly")) return;
		    var query = cm.getSelection() || getSearchState(cm).lastQuery;
		    var dialogText = all ? cm.phrase("Replace all:") : cm.phrase("Replace:");
		    var fragment = el("", null,
		                      el("span", {className: "CodeMirror-search-label"}, dialogText),
		                      getReplaceQueryDialog(cm));
		    dialog(cm, fragment, dialogText, query, function(query) {
		      if (!query) return;
		      query = parseQuery(query);
		      dialog(cm, getReplacementQueryDialog(cm), cm.phrase("Replace with:"), "", function(text) {
		        text = parseString(text);
		        if (all) {
		          replaceAll(cm, query, text);
		        } else {
		          clearSearch(cm);
		          var cursor = getSearchCursor(cm, query, cm.getCursor("from"));
		          var advance = function() {
		            var start = cursor.from(), match;
		            if (!(match = cursor.findNext())) {
		              cursor = getSearchCursor(cm, query);
		              if (!(match = cursor.findNext()) ||
		                  (start && cursor.from().line == start.line && cursor.from().ch == start.ch)) return;
		            }
		            cm.setSelection(cursor.from(), cursor.to());
		            cm.scrollIntoView({from: cursor.from(), to: cursor.to()});
		            confirmDialog(cm, getDoReplaceConfirm(cm), cm.phrase("Replace?"),
		                          [function() {doReplace(match);}, advance,
		                           function() {replaceAll(cm, query, text);}]);
		          };
		          var doReplace = function(match) {
		            cursor.replace(typeof query == "string" ? text :
		                           text.replace(/\$(\d)/g, function(_, i) {return match[i];}));
		            advance();
		          };
		          advance();
		        }
		      });
		    });
		  }

		  CodeMirror.commands.find = function(cm) {clearSearch(cm); doSearch(cm);};
		  CodeMirror.commands.findPersistent = function(cm) {clearSearch(cm); doSearch(cm, false, true);};
		  CodeMirror.commands.findPersistentNext = function(cm) {doSearch(cm, false, true, true);};
		  CodeMirror.commands.findPersistentPrev = function(cm) {doSearch(cm, true, true, true);};
		  CodeMirror.commands.findNext = doSearch;
		  CodeMirror.commands.findPrev = function(cm) {doSearch(cm, true);};
		  CodeMirror.commands.clearSearch = clearSearch;
		  CodeMirror.commands.replace = replace;
		  CodeMirror.commands.replaceAll = function(cm) {replace(cm, true);};
		}); 
	} ());
	return search.exports;
}
/* Injected with object hook! */

requireSearch();
/* Injected with object hook! */

/* Injected with object hook! */

var css = {exports: {}};/* Injected with object hook! */

var hasRequiredCss;

function requireCss () {
	if (hasRequiredCss) return css.exports;
	hasRequiredCss = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {

		CodeMirror.defineMode("css", function(config, parserConfig) {
		  var inline = parserConfig.inline;
		  if (!parserConfig.propertyKeywords) parserConfig = CodeMirror.resolveMode("text/css");

		  var indentUnit = config.indentUnit,
		      tokenHooks = parserConfig.tokenHooks,
		      documentTypes = parserConfig.documentTypes || {},
		      mediaTypes = parserConfig.mediaTypes || {},
		      mediaFeatures = parserConfig.mediaFeatures || {},
		      mediaValueKeywords = parserConfig.mediaValueKeywords || {},
		      propertyKeywords = parserConfig.propertyKeywords || {},
		      nonStandardPropertyKeywords = parserConfig.nonStandardPropertyKeywords || {},
		      fontProperties = parserConfig.fontProperties || {},
		      counterDescriptors = parserConfig.counterDescriptors || {},
		      colorKeywords = parserConfig.colorKeywords || {},
		      valueKeywords = parserConfig.valueKeywords || {},
		      allowNested = parserConfig.allowNested,
		      lineComment = parserConfig.lineComment,
		      supportsAtComponent = parserConfig.supportsAtComponent === true,
		      highlightNonStandardPropertyKeywords = config.highlightNonStandardPropertyKeywords !== false;

		  var type, override;
		  function ret(style, tp) { type = tp; return style; }

		  // Tokenizers

		  function tokenBase(stream, state) {
		    var ch = stream.next();
		    if (tokenHooks[ch]) {
		      var result = tokenHooks[ch](stream, state);
		      if (result !== false) return result;
		    }
		    if (ch == "@") {
		      stream.eatWhile(/[\w\\\-]/);
		      return ret("def", stream.current());
		    } else if (ch == "=" || (ch == "~" || ch == "|") && stream.eat("=")) {
		      return ret(null, "compare");
		    } else if (ch == "\"" || ch == "'") {
		      state.tokenize = tokenString(ch);
		      return state.tokenize(stream, state);
		    } else if (ch == "#") {
		      stream.eatWhile(/[\w\\\-]/);
		      return ret("atom", "hash");
		    } else if (ch == "!") {
		      stream.match(/^\s*\w*/);
		      return ret("keyword", "important");
		    } else if (/\d/.test(ch) || ch == "." && stream.eat(/\d/)) {
		      stream.eatWhile(/[\w.%]/);
		      return ret("number", "unit");
		    } else if (ch === "-") {
		      if (/[\d.]/.test(stream.peek())) {
		        stream.eatWhile(/[\w.%]/);
		        return ret("number", "unit");
		      } else if (stream.match(/^-[\w\\\-]*/)) {
		        stream.eatWhile(/[\w\\\-]/);
		        if (stream.match(/^\s*:/, false))
		          return ret("variable-2", "variable-definition");
		        return ret("variable-2", "variable");
		      } else if (stream.match(/^\w+-/)) {
		        return ret("meta", "meta");
		      }
		    } else if (/[,+>*\/]/.test(ch)) {
		      return ret(null, "select-op");
		    } else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {
		      return ret("qualifier", "qualifier");
		    } else if (/[:;{}\[\]\(\)]/.test(ch)) {
		      return ret(null, ch);
		    } else if (stream.match(/^[\w-.]+(?=\()/)) {
		      if (/^(url(-prefix)?|domain|regexp)$/i.test(stream.current())) {
		        state.tokenize = tokenParenthesized;
		      }
		      return ret("variable callee", "variable");
		    } else if (/[\w\\\-]/.test(ch)) {
		      stream.eatWhile(/[\w\\\-]/);
		      return ret("property", "word");
		    } else {
		      return ret(null, null);
		    }
		  }

		  function tokenString(quote) {
		    return function(stream, state) {
		      var escaped = false, ch;
		      while ((ch = stream.next()) != null) {
		        if (ch == quote && !escaped) {
		          if (quote == ")") stream.backUp(1);
		          break;
		        }
		        escaped = !escaped && ch == "\\";
		      }
		      if (ch == quote || !escaped && quote != ")") state.tokenize = null;
		      return ret("string", "string");
		    };
		  }

		  function tokenParenthesized(stream, state) {
		    stream.next(); // Must be '('
		    if (!stream.match(/^\s*[\"\')]/, false))
		      state.tokenize = tokenString(")");
		    else
		      state.tokenize = null;
		    return ret(null, "(");
		  }

		  // Context management

		  function Context(type, indent, prev) {
		    this.type = type;
		    this.indent = indent;
		    this.prev = prev;
		  }

		  function pushContext(state, stream, type, indent) {
		    state.context = new Context(type, stream.indentation() + (indent === false ? 0 : indentUnit), state.context);
		    return type;
		  }

		  function popContext(state) {
		    if (state.context.prev)
		      state.context = state.context.prev;
		    return state.context.type;
		  }

		  function pass(type, stream, state) {
		    return states[state.context.type](type, stream, state);
		  }
		  function popAndPass(type, stream, state, n) {
		    for (var i = n || 1; i > 0; i--)
		      state.context = state.context.prev;
		    return pass(type, stream, state);
		  }

		  // Parser

		  function wordAsValue(stream) {
		    var word = stream.current().toLowerCase();
		    if (valueKeywords.hasOwnProperty(word))
		      override = "atom";
		    else if (colorKeywords.hasOwnProperty(word))
		      override = "keyword";
		    else
		      override = "variable";
		  }

		  var states = {};

		  states.top = function(type, stream, state) {
		    if (type == "{") {
		      return pushContext(state, stream, "block");
		    } else if (type == "}" && state.context.prev) {
		      return popContext(state);
		    } else if (supportsAtComponent && /@component/i.test(type)) {
		      return pushContext(state, stream, "atComponentBlock");
		    } else if (/^@(-moz-)?document$/i.test(type)) {
		      return pushContext(state, stream, "documentTypes");
		    } else if (/^@(media|supports|(-moz-)?document|import)$/i.test(type)) {
		      return pushContext(state, stream, "atBlock");
		    } else if (/^@(font-face|counter-style)/i.test(type)) {
		      state.stateArg = type;
		      return "restricted_atBlock_before";
		    } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/i.test(type)) {
		      return "keyframes";
		    } else if (type && type.charAt(0) == "@") {
		      return pushContext(state, stream, "at");
		    } else if (type == "hash") {
		      override = "builtin";
		    } else if (type == "word") {
		      override = "tag";
		    } else if (type == "variable-definition") {
		      return "maybeprop";
		    } else if (type == "interpolation") {
		      return pushContext(state, stream, "interpolation");
		    } else if (type == ":") {
		      return "pseudo";
		    } else if (allowNested && type == "(") {
		      return pushContext(state, stream, "parens");
		    }
		    return state.context.type;
		  };

		  states.block = function(type, stream, state) {
		    if (type == "word") {
		      var word = stream.current().toLowerCase();
		      if (propertyKeywords.hasOwnProperty(word)) {
		        override = "property";
		        return "maybeprop";
		      } else if (nonStandardPropertyKeywords.hasOwnProperty(word)) {
		        override = highlightNonStandardPropertyKeywords ? "string-2" : "property";
		        return "maybeprop";
		      } else if (allowNested) {
		        override = stream.match(/^\s*:(?:\s|$)/, false) ? "property" : "tag";
		        return "block";
		      } else {
		        override += " error";
		        return "maybeprop";
		      }
		    } else if (type == "meta") {
		      return "block";
		    } else if (!allowNested && (type == "hash" || type == "qualifier")) {
		      override = "error";
		      return "block";
		    } else {
		      return states.top(type, stream, state);
		    }
		  };

		  states.maybeprop = function(type, stream, state) {
		    if (type == ":") return pushContext(state, stream, "prop");
		    return pass(type, stream, state);
		  };

		  states.prop = function(type, stream, state) {
		    if (type == ";") return popContext(state);
		    if (type == "{" && allowNested) return pushContext(state, stream, "propBlock");
		    if (type == "}" || type == "{") return popAndPass(type, stream, state);
		    if (type == "(") return pushContext(state, stream, "parens");

		    if (type == "hash" && !/^#([0-9a-fA-F]{3,4}|[0-9a-fA-F]{6}|[0-9a-fA-F]{8})$/.test(stream.current())) {
		      override += " error";
		    } else if (type == "word") {
		      wordAsValue(stream);
		    } else if (type == "interpolation") {
		      return pushContext(state, stream, "interpolation");
		    }
		    return "prop";
		  };

		  states.propBlock = function(type, _stream, state) {
		    if (type == "}") return popContext(state);
		    if (type == "word") { override = "property"; return "maybeprop"; }
		    return state.context.type;
		  };

		  states.parens = function(type, stream, state) {
		    if (type == "{" || type == "}") return popAndPass(type, stream, state);
		    if (type == ")") return popContext(state);
		    if (type == "(") return pushContext(state, stream, "parens");
		    if (type == "interpolation") return pushContext(state, stream, "interpolation");
		    if (type == "word") wordAsValue(stream);
		    return "parens";
		  };

		  states.pseudo = function(type, stream, state) {
		    if (type == "meta") return "pseudo";

		    if (type == "word") {
		      override = "variable-3";
		      return state.context.type;
		    }
		    return pass(type, stream, state);
		  };

		  states.documentTypes = function(type, stream, state) {
		    if (type == "word" && documentTypes.hasOwnProperty(stream.current())) {
		      override = "tag";
		      return state.context.type;
		    } else {
		      return states.atBlock(type, stream, state);
		    }
		  };

		  states.atBlock = function(type, stream, state) {
		    if (type == "(") return pushContext(state, stream, "atBlock_parens");
		    if (type == "}" || type == ";") return popAndPass(type, stream, state);
		    if (type == "{") return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top");

		    if (type == "interpolation") return pushContext(state, stream, "interpolation");

		    if (type == "word") {
		      var word = stream.current().toLowerCase();
		      if (word == "only" || word == "not" || word == "and" || word == "or")
		        override = "keyword";
		      else if (mediaTypes.hasOwnProperty(word))
		        override = "attribute";
		      else if (mediaFeatures.hasOwnProperty(word))
		        override = "property";
		      else if (mediaValueKeywords.hasOwnProperty(word))
		        override = "keyword";
		      else if (propertyKeywords.hasOwnProperty(word))
		        override = "property";
		      else if (nonStandardPropertyKeywords.hasOwnProperty(word))
		        override = highlightNonStandardPropertyKeywords ? "string-2" : "property";
		      else if (valueKeywords.hasOwnProperty(word))
		        override = "atom";
		      else if (colorKeywords.hasOwnProperty(word))
		        override = "keyword";
		      else
		        override = "error";
		    }
		    return state.context.type;
		  };

		  states.atComponentBlock = function(type, stream, state) {
		    if (type == "}")
		      return popAndPass(type, stream, state);
		    if (type == "{")
		      return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top", false);
		    if (type == "word")
		      override = "error";
		    return state.context.type;
		  };

		  states.atBlock_parens = function(type, stream, state) {
		    if (type == ")") return popContext(state);
		    if (type == "{" || type == "}") return popAndPass(type, stream, state, 2);
		    return states.atBlock(type, stream, state);
		  };

		  states.restricted_atBlock_before = function(type, stream, state) {
		    if (type == "{")
		      return pushContext(state, stream, "restricted_atBlock");
		    if (type == "word" && state.stateArg == "@counter-style") {
		      override = "variable";
		      return "restricted_atBlock_before";
		    }
		    return pass(type, stream, state);
		  };

		  states.restricted_atBlock = function(type, stream, state) {
		    if (type == "}") {
		      state.stateArg = null;
		      return popContext(state);
		    }
		    if (type == "word") {
		      if ((state.stateArg == "@font-face" && !fontProperties.hasOwnProperty(stream.current().toLowerCase())) ||
		          (state.stateArg == "@counter-style" && !counterDescriptors.hasOwnProperty(stream.current().toLowerCase())))
		        override = "error";
		      else
		        override = "property";
		      return "maybeprop";
		    }
		    return "restricted_atBlock";
		  };

		  states.keyframes = function(type, stream, state) {
		    if (type == "word") { override = "variable"; return "keyframes"; }
		    if (type == "{") return pushContext(state, stream, "top");
		    return pass(type, stream, state);
		  };

		  states.at = function(type, stream, state) {
		    if (type == ";") return popContext(state);
		    if (type == "{" || type == "}") return popAndPass(type, stream, state);
		    if (type == "word") override = "tag";
		    else if (type == "hash") override = "builtin";
		    return "at";
		  };

		  states.interpolation = function(type, stream, state) {
		    if (type == "}") return popContext(state);
		    if (type == "{" || type == ";") return popAndPass(type, stream, state);
		    if (type == "word") override = "variable";
		    else if (type != "variable" && type != "(" && type != ")") override = "error";
		    return "interpolation";
		  };

		  return {
		    startState: function(base) {
		      return {tokenize: null,
		              state: inline ? "block" : "top",
		              stateArg: null,
		              context: new Context(inline ? "block" : "top", base || 0, null)};
		    },

		    token: function(stream, state) {
		      if (!state.tokenize && stream.eatSpace()) return null;
		      var style = (state.tokenize || tokenBase)(stream, state);
		      if (style && typeof style == "object") {
		        type = style[1];
		        style = style[0];
		      }
		      override = style;
		      if (type != "comment")
		        state.state = states[state.state](type, stream, state);
		      return override;
		    },

		    indent: function(state, textAfter) {
		      var cx = state.context, ch = textAfter && textAfter.charAt(0);
		      var indent = cx.indent;
		      if (cx.type == "prop" && (ch == "}" || ch == ")")) cx = cx.prev;
		      if (cx.prev) {
		        if (ch == "}" && (cx.type == "block" || cx.type == "top" ||
		                          cx.type == "interpolation" || cx.type == "restricted_atBlock")) {
		          // Resume indentation from parent context.
		          cx = cx.prev;
		          indent = cx.indent;
		        } else if (ch == ")" && (cx.type == "parens" || cx.type == "atBlock_parens") ||
		            ch == "{" && (cx.type == "at" || cx.type == "atBlock")) {
		          // Dedent relative to current context.
		          indent = Math.max(0, cx.indent - indentUnit);
		        }
		      }
		      return indent;
		    },

		    electricChars: "}",
		    blockCommentStart: "/*",
		    blockCommentEnd: "*/",
		    blockCommentContinue: " * ",
		    lineComment: lineComment,
		    fold: "brace"
		  };
		});

		  function keySet(array) {
		    var keys = {};
		    for (var i = 0; i < array.length; ++i) {
		      keys[array[i].toLowerCase()] = true;
		    }
		    return keys;
		  }

		  var documentTypes_ = [
		    "domain", "regexp", "url", "url-prefix"
		  ], documentTypes = keySet(documentTypes_);

		  var mediaTypes_ = [
		    "all", "aural", "braille", "handheld", "print", "projection", "screen",
		    "tty", "tv", "embossed"
		  ], mediaTypes = keySet(mediaTypes_);

		  var mediaFeatures_ = [
		    "width", "min-width", "max-width", "height", "min-height", "max-height",
		    "device-width", "min-device-width", "max-device-width", "device-height",
		    "min-device-height", "max-device-height", "aspect-ratio",
		    "min-aspect-ratio", "max-aspect-ratio", "device-aspect-ratio",
		    "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color",
		    "max-color", "color-index", "min-color-index", "max-color-index",
		    "monochrome", "min-monochrome", "max-monochrome", "resolution",
		    "min-resolution", "max-resolution", "scan", "grid", "orientation",
		    "device-pixel-ratio", "min-device-pixel-ratio", "max-device-pixel-ratio",
		    "pointer", "any-pointer", "hover", "any-hover", "prefers-color-scheme",
		    "dynamic-range", "video-dynamic-range"
		  ], mediaFeatures = keySet(mediaFeatures_);

		  var mediaValueKeywords_ = [
		    "landscape", "portrait", "none", "coarse", "fine", "on-demand", "hover",
		    "interlace", "progressive",
		    "dark", "light",
		    "standard", "high"
		  ], mediaValueKeywords = keySet(mediaValueKeywords_);

		  var propertyKeywords_ = [
		    "align-content", "align-items", "align-self", "alignment-adjust",
		    "alignment-baseline", "all", "anchor-point", "animation", "animation-delay",
		    "animation-direction", "animation-duration", "animation-fill-mode",
		    "animation-iteration-count", "animation-name", "animation-play-state",
		    "animation-timing-function", "appearance", "azimuth", "backdrop-filter",
		    "backface-visibility", "background", "background-attachment",
		    "background-blend-mode", "background-clip", "background-color",
		    "background-image", "background-origin", "background-position",
		    "background-position-x", "background-position-y", "background-repeat",
		    "background-size", "baseline-shift", "binding", "bleed", "block-size",
		    "bookmark-label", "bookmark-level", "bookmark-state", "bookmark-target",
		    "border", "border-bottom", "border-bottom-color", "border-bottom-left-radius",
		    "border-bottom-right-radius", "border-bottom-style", "border-bottom-width",
		    "border-collapse", "border-color", "border-image", "border-image-outset",
		    "border-image-repeat", "border-image-slice", "border-image-source",
		    "border-image-width", "border-left", "border-left-color", "border-left-style",
		    "border-left-width", "border-radius", "border-right", "border-right-color",
		    "border-right-style", "border-right-width", "border-spacing", "border-style",
		    "border-top", "border-top-color", "border-top-left-radius",
		    "border-top-right-radius", "border-top-style", "border-top-width",
		    "border-width", "bottom", "box-decoration-break", "box-shadow", "box-sizing",
		    "break-after", "break-before", "break-inside", "caption-side", "caret-color",
		    "clear", "clip", "color", "color-profile", "column-count", "column-fill",
		    "column-gap", "column-rule", "column-rule-color", "column-rule-style",
		    "column-rule-width", "column-span", "column-width", "columns", "contain",
		    "content", "counter-increment", "counter-reset", "crop", "cue", "cue-after",
		    "cue-before", "cursor", "direction", "display", "dominant-baseline",
		    "drop-initial-after-adjust", "drop-initial-after-align",
		    "drop-initial-before-adjust", "drop-initial-before-align", "drop-initial-size",
		    "drop-initial-value", "elevation", "empty-cells", "fit", "fit-content", "fit-position",
		    "flex", "flex-basis", "flex-direction", "flex-flow", "flex-grow",
		    "flex-shrink", "flex-wrap", "float", "float-offset", "flow-from", "flow-into",
		    "font", "font-family", "font-feature-settings", "font-kerning",
		    "font-language-override", "font-optical-sizing", "font-size",
		    "font-size-adjust", "font-stretch", "font-style", "font-synthesis",
		    "font-variant", "font-variant-alternates", "font-variant-caps",
		    "font-variant-east-asian", "font-variant-ligatures", "font-variant-numeric",
		    "font-variant-position", "font-variation-settings", "font-weight", "gap",
		    "grid", "grid-area", "grid-auto-columns", "grid-auto-flow", "grid-auto-rows",
		    "grid-column", "grid-column-end", "grid-column-gap", "grid-column-start",
		    "grid-gap", "grid-row", "grid-row-end", "grid-row-gap", "grid-row-start",
		    "grid-template", "grid-template-areas", "grid-template-columns",
		    "grid-template-rows", "hanging-punctuation", "height", "hyphens", "icon",
		    "image-orientation", "image-rendering", "image-resolution", "inline-box-align",
		    "inset", "inset-block", "inset-block-end", "inset-block-start", "inset-inline",
		    "inset-inline-end", "inset-inline-start", "isolation", "justify-content",
		    "justify-items", "justify-self", "left", "letter-spacing", "line-break",
		    "line-height", "line-height-step", "line-stacking", "line-stacking-ruby",
		    "line-stacking-shift", "line-stacking-strategy", "list-style",
		    "list-style-image", "list-style-position", "list-style-type", "margin",
		    "margin-bottom", "margin-left", "margin-right", "margin-top", "marks",
		    "marquee-direction", "marquee-loop", "marquee-play-count", "marquee-speed",
		    "marquee-style", "mask-clip", "mask-composite", "mask-image", "mask-mode",
		    "mask-origin", "mask-position", "mask-repeat", "mask-size","mask-type",
		    "max-block-size", "max-height", "max-inline-size",
		    "max-width", "min-block-size", "min-height", "min-inline-size", "min-width",
		    "mix-blend-mode", "move-to", "nav-down", "nav-index", "nav-left", "nav-right",
		    "nav-up", "object-fit", "object-position", "offset", "offset-anchor",
		    "offset-distance", "offset-path", "offset-position", "offset-rotate",
		    "opacity", "order", "orphans", "outline", "outline-color", "outline-offset",
		    "outline-style", "outline-width", "overflow", "overflow-style",
		    "overflow-wrap", "overflow-x", "overflow-y", "padding", "padding-bottom",
		    "padding-left", "padding-right", "padding-top", "page", "page-break-after",
		    "page-break-before", "page-break-inside", "page-policy", "pause",
		    "pause-after", "pause-before", "perspective", "perspective-origin", "pitch",
		    "pitch-range", "place-content", "place-items", "place-self", "play-during",
		    "position", "presentation-level", "punctuation-trim", "quotes",
		    "region-break-after", "region-break-before", "region-break-inside",
		    "region-fragment", "rendering-intent", "resize", "rest", "rest-after",
		    "rest-before", "richness", "right", "rotate", "rotation", "rotation-point",
		    "row-gap", "ruby-align", "ruby-overhang", "ruby-position", "ruby-span",
		    "scale", "scroll-behavior", "scroll-margin", "scroll-margin-block",
		    "scroll-margin-block-end", "scroll-margin-block-start", "scroll-margin-bottom",
		    "scroll-margin-inline", "scroll-margin-inline-end",
		    "scroll-margin-inline-start", "scroll-margin-left", "scroll-margin-right",
		    "scroll-margin-top", "scroll-padding", "scroll-padding-block",
		    "scroll-padding-block-end", "scroll-padding-block-start",
		    "scroll-padding-bottom", "scroll-padding-inline", "scroll-padding-inline-end",
		    "scroll-padding-inline-start", "scroll-padding-left", "scroll-padding-right",
		    "scroll-padding-top", "scroll-snap-align", "scroll-snap-type",
		    "shape-image-threshold", "shape-inside", "shape-margin", "shape-outside",
		    "size", "speak", "speak-as", "speak-header", "speak-numeral",
		    "speak-punctuation", "speech-rate", "stress", "string-set", "tab-size",
		    "table-layout", "target", "target-name", "target-new", "target-position",
		    "text-align", "text-align-last", "text-combine-upright", "text-decoration",
		    "text-decoration-color", "text-decoration-line", "text-decoration-skip",
		    "text-decoration-skip-ink", "text-decoration-style", "text-emphasis",
		    "text-emphasis-color", "text-emphasis-position", "text-emphasis-style",
		    "text-height", "text-indent", "text-justify", "text-orientation",
		    "text-outline", "text-overflow", "text-rendering", "text-shadow",
		    "text-size-adjust", "text-space-collapse", "text-transform",
		    "text-underline-position", "text-wrap", "top", "touch-action", "transform", "transform-origin",
		    "transform-style", "transition", "transition-delay", "transition-duration",
		    "transition-property", "transition-timing-function", "translate",
		    "unicode-bidi", "user-select", "vertical-align", "visibility", "voice-balance",
		    "voice-duration", "voice-family", "voice-pitch", "voice-range", "voice-rate",
		    "voice-stress", "voice-volume", "volume", "white-space", "widows", "width",
		    "will-change", "word-break", "word-spacing", "word-wrap", "writing-mode", "z-index",
		    // SVG-specific
		    "clip-path", "clip-rule", "mask", "enable-background", "filter", "flood-color",
		    "flood-opacity", "lighting-color", "stop-color", "stop-opacity", "pointer-events",
		    "color-interpolation", "color-interpolation-filters",
		    "color-rendering", "fill", "fill-opacity", "fill-rule", "image-rendering",
		    "marker", "marker-end", "marker-mid", "marker-start", "paint-order", "shape-rendering", "stroke",
		    "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin",
		    "stroke-miterlimit", "stroke-opacity", "stroke-width", "text-rendering",
		    "baseline-shift", "dominant-baseline", "glyph-orientation-horizontal",
		    "glyph-orientation-vertical", "text-anchor", "writing-mode",
		  ], propertyKeywords = keySet(propertyKeywords_);

		  var nonStandardPropertyKeywords_ = [
		    "accent-color", "aspect-ratio", "border-block", "border-block-color", "border-block-end",
		    "border-block-end-color", "border-block-end-style", "border-block-end-width",
		    "border-block-start", "border-block-start-color", "border-block-start-style",
		    "border-block-start-width", "border-block-style", "border-block-width",
		    "border-inline", "border-inline-color", "border-inline-end",
		    "border-inline-end-color", "border-inline-end-style",
		    "border-inline-end-width", "border-inline-start", "border-inline-start-color",
		    "border-inline-start-style", "border-inline-start-width",
		    "border-inline-style", "border-inline-width", "content-visibility", "margin-block",
		    "margin-block-end", "margin-block-start", "margin-inline", "margin-inline-end",
		    "margin-inline-start", "overflow-anchor", "overscroll-behavior", "padding-block", "padding-block-end",
		    "padding-block-start", "padding-inline", "padding-inline-end",
		    "padding-inline-start", "scroll-snap-stop", "scrollbar-3d-light-color",
		    "scrollbar-arrow-color", "scrollbar-base-color", "scrollbar-dark-shadow-color",
		    "scrollbar-face-color", "scrollbar-highlight-color", "scrollbar-shadow-color",
		    "scrollbar-track-color", "searchfield-cancel-button", "searchfield-decoration",
		    "searchfield-results-button", "searchfield-results-decoration", "shape-inside", "zoom"
		  ], nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_);

		  var fontProperties_ = [
		    "font-display", "font-family", "src", "unicode-range", "font-variant",
		     "font-feature-settings", "font-stretch", "font-weight", "font-style"
		  ], fontProperties = keySet(fontProperties_);

		  var counterDescriptors_ = [
		    "additive-symbols", "fallback", "negative", "pad", "prefix", "range",
		    "speak-as", "suffix", "symbols", "system"
		  ], counterDescriptors = keySet(counterDescriptors_);

		  var colorKeywords_ = [
		    "aliceblue", "antiquewhite", "aqua", "aquamarine", "azure", "beige",
		    "bisque", "black", "blanchedalmond", "blue", "blueviolet", "brown",
		    "burlywood", "cadetblue", "chartreuse", "chocolate", "coral", "cornflowerblue",
		    "cornsilk", "crimson", "cyan", "darkblue", "darkcyan", "darkgoldenrod",
		    "darkgray", "darkgreen", "darkgrey", "darkkhaki", "darkmagenta", "darkolivegreen",
		    "darkorange", "darkorchid", "darkred", "darksalmon", "darkseagreen",
		    "darkslateblue", "darkslategray", "darkslategrey", "darkturquoise", "darkviolet",
		    "deeppink", "deepskyblue", "dimgray", "dimgrey", "dodgerblue", "firebrick",
		    "floralwhite", "forestgreen", "fuchsia", "gainsboro", "ghostwhite",
		    "gold", "goldenrod", "gray", "grey", "green", "greenyellow", "honeydew",
		    "hotpink", "indianred", "indigo", "ivory", "khaki", "lavender",
		    "lavenderblush", "lawngreen", "lemonchiffon", "lightblue", "lightcoral",
		    "lightcyan", "lightgoldenrodyellow", "lightgray", "lightgreen", "lightgrey", "lightpink",
		    "lightsalmon", "lightseagreen", "lightskyblue", "lightslategray", "lightslategrey",
		    "lightsteelblue", "lightyellow", "lime", "limegreen", "linen", "magenta",
		    "maroon", "mediumaquamarine", "mediumblue", "mediumorchid", "mediumpurple",
		    "mediumseagreen", "mediumslateblue", "mediumspringgreen", "mediumturquoise",
		    "mediumvioletred", "midnightblue", "mintcream", "mistyrose", "moccasin",
		    "navajowhite", "navy", "oldlace", "olive", "olivedrab", "orange", "orangered",
		    "orchid", "palegoldenrod", "palegreen", "paleturquoise", "palevioletred",
		    "papayawhip", "peachpuff", "peru", "pink", "plum", "powderblue",
		    "purple", "rebeccapurple", "red", "rosybrown", "royalblue", "saddlebrown",
		    "salmon", "sandybrown", "seagreen", "seashell", "sienna", "silver", "skyblue",
		    "slateblue", "slategray", "slategrey", "snow", "springgreen", "steelblue", "tan",
		    "teal", "thistle", "tomato", "turquoise", "violet", "wheat", "white",
		    "whitesmoke", "yellow", "yellowgreen"
		  ], colorKeywords = keySet(colorKeywords_);

		  var valueKeywords_ = [
		    "above", "absolute", "activeborder", "additive", "activecaption", "afar",
		    "after-white-space", "ahead", "alias", "all", "all-scroll", "alphabetic", "alternate",
		    "always", "amharic", "amharic-abegede", "antialiased", "appworkspace",
		    "arabic-indic", "armenian", "asterisks", "attr", "auto", "auto-flow", "avoid", "avoid-column", "avoid-page",
		    "avoid-region", "axis-pan", "background", "backwards", "baseline", "below", "bidi-override", "binary",
		    "bengali", "blink", "block", "block-axis", "blur", "bold", "bolder", "border", "border-box",
		    "both", "bottom", "break", "break-all", "break-word", "brightness", "bullets", "button",
		    "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "calc", "cambodian",
		    "capitalize", "caps-lock-indicator", "caption", "captiontext", "caret",
		    "cell", "center", "checkbox", "circle", "cjk-decimal", "cjk-earthly-branch",
		    "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote",
		    "col-resize", "collapse", "color", "color-burn", "color-dodge", "column", "column-reverse",
		    "compact", "condensed", "conic-gradient", "contain", "content", "contents",
		    "content-box", "context-menu", "continuous", "contrast", "copy", "counter", "counters", "cover", "crop",
		    "cross", "crosshair", "cubic-bezier", "currentcolor", "cursive", "cyclic", "darken", "dashed", "decimal",
		    "decimal-leading-zero", "default", "default-button", "dense", "destination-atop",
		    "destination-in", "destination-out", "destination-over", "devanagari", "difference",
		    "disc", "discard", "disclosure-closed", "disclosure-open", "document",
		    "dot-dash", "dot-dot-dash",
		    "dotted", "double", "down", "drop-shadow", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out",
		    "element", "ellipse", "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede",
		    "ethiopic-abegede-am-et", "ethiopic-abegede-gez", "ethiopic-abegede-ti-er",
		    "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er",
		    "ethiopic-halehame-aa-et", "ethiopic-halehame-am-et",
		    "ethiopic-halehame-gez", "ethiopic-halehame-om-et",
		    "ethiopic-halehame-sid-et", "ethiopic-halehame-so-et",
		    "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "ethiopic-halehame-tig",
		    "ethiopic-numeric", "ew-resize", "exclusion", "expanded", "extends", "extra-condensed",
		    "extra-expanded", "fantasy", "fast", "fill", "fill-box", "fixed", "flat", "flex", "flex-end", "flex-start", "footnotes",
		    "forwards", "from", "geometricPrecision", "georgian", "grayscale", "graytext", "grid", "groove",
		    "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hard-light", "hebrew",
		    "help", "hidden", "hide", "higher", "highlight", "highlighttext",
		    "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "hue", "hue-rotate", "icon", "ignore",
		    "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite",
		    "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis",
		    "inline-block", "inline-flex", "inline-grid", "inline-table", "inset", "inside", "intrinsic", "invert",
		    "italic", "japanese-formal", "japanese-informal", "justify", "kannada",
		    "katakana", "katakana-iroha", "keep-all", "khmer",
		    "korean-hangul-formal", "korean-hanja-formal", "korean-hanja-informal",
		    "landscape", "lao", "large", "larger", "left", "level", "lighter", "lighten",
		    "line-through", "linear", "linear-gradient", "lines", "list-item", "listbox", "listitem",
		    "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian",
		    "lower-greek", "lower-hexadecimal", "lower-latin", "lower-norwegian",
		    "lower-roman", "lowercase", "ltr", "luminosity", "malayalam", "manipulation", "match", "matrix", "matrix3d",
		    "media-play-button", "media-slider", "media-sliderthumb",
		    "media-volume-slider", "media-volume-sliderthumb", "medium",
		    "menu", "menulist", "menulist-button",
		    "menutext", "message-box", "middle", "min-intrinsic",
		    "mix", "mongolian", "monospace", "move", "multiple", "multiple_mask_images", "multiply", "myanmar", "n-resize",
		    "narrower", "ne-resize", "nesw-resize", "no-close-quote", "no-drop",
		    "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap",
		    "ns-resize", "numbers", "numeric", "nw-resize", "nwse-resize", "oblique", "octal", "opacity", "open-quote",
		    "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset",
		    "outside", "outside-shape", "overlay", "overline", "padding", "padding-box",
		    "painted", "page", "paused", "persian", "perspective", "pinch-zoom", "plus-darker", "plus-lighter",
		    "pointer", "polygon", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d",
		    "progress", "push-button", "radial-gradient", "radio", "read-only",
		    "read-write", "read-write-plaintext-only", "rectangle", "region",
		    "relative", "repeat", "repeating-linear-gradient", "repeating-radial-gradient",
		    "repeating-conic-gradient", "repeat-x", "repeat-y", "reset", "reverse",
		    "rgb", "rgba", "ridge", "right", "rotate", "rotate3d", "rotateX", "rotateY",
		    "rotateZ", "round", "row", "row-resize", "row-reverse", "rtl", "run-in", "running",
		    "s-resize", "sans-serif", "saturate", "saturation", "scale", "scale3d", "scaleX", "scaleY", "scaleZ", "screen",
		    "scroll", "scrollbar", "scroll-position", "se-resize", "searchfield",
		    "searchfield-cancel-button", "searchfield-decoration",
		    "searchfield-results-button", "searchfield-results-decoration", "self-start", "self-end",
		    "semi-condensed", "semi-expanded", "separate", "sepia", "serif", "show", "sidama",
		    "simp-chinese-formal", "simp-chinese-informal", "single",
		    "skew", "skewX", "skewY", "skip-white-space", "slide", "slider-horizontal",
		    "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
		    "small", "small-caps", "small-caption", "smaller", "soft-light", "solid", "somali",
		    "source-atop", "source-in", "source-out", "source-over", "space", "space-around", "space-between", "space-evenly", "spell-out", "square",
		    "square-button", "start", "static", "status-bar", "stretch", "stroke", "stroke-box", "sub",
		    "subpixel-antialiased", "svg_masks", "super", "sw-resize", "symbolic", "symbols", "system-ui", "table",
		    "table-caption", "table-cell", "table-column", "table-column-group",
		    "table-footer-group", "table-header-group", "table-row", "table-row-group",
		    "tamil",
		    "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai",
		    "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight",
		    "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er",
		    "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top",
		    "trad-chinese-formal", "trad-chinese-informal", "transform",
		    "translate", "translate3d", "translateX", "translateY", "translateZ",
		    "transparent", "ultra-condensed", "ultra-expanded", "underline", "unidirectional-pan", "unset", "up",
		    "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal",
		    "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url",
		    "var", "vertical", "vertical-text", "view-box", "visible", "visibleFill", "visiblePainted",
		    "visibleStroke", "visual", "w-resize", "wait", "wave", "wider",
		    "window", "windowframe", "windowtext", "words", "wrap", "wrap-reverse", "x-large", "x-small", "xor",
		    "xx-large", "xx-small"
		  ], valueKeywords = keySet(valueKeywords_);

		  var allWords = documentTypes_.concat(mediaTypes_).concat(mediaFeatures_).concat(mediaValueKeywords_)
		    .concat(propertyKeywords_).concat(nonStandardPropertyKeywords_).concat(colorKeywords_)
		    .concat(valueKeywords_);
		  CodeMirror.registerHelper("hintWords", "css", allWords);

		  function tokenCComment(stream, state) {
		    var maybeEnd = false, ch;
		    while ((ch = stream.next()) != null) {
		      if (maybeEnd && ch == "/") {
		        state.tokenize = null;
		        break;
		      }
		      maybeEnd = (ch == "*");
		    }
		    return ["comment", "comment"];
		  }

		  CodeMirror.defineMIME("text/css", {
		    documentTypes: documentTypes,
		    mediaTypes: mediaTypes,
		    mediaFeatures: mediaFeatures,
		    mediaValueKeywords: mediaValueKeywords,
		    propertyKeywords: propertyKeywords,
		    nonStandardPropertyKeywords: nonStandardPropertyKeywords,
		    fontProperties: fontProperties,
		    counterDescriptors: counterDescriptors,
		    colorKeywords: colorKeywords,
		    valueKeywords: valueKeywords,
		    tokenHooks: {
		      "/": function(stream, state) {
		        if (!stream.eat("*")) return false;
		        state.tokenize = tokenCComment;
		        return tokenCComment(stream, state);
		      }
		    },
		    name: "css"
		  });

		  CodeMirror.defineMIME("text/x-scss", {
		    mediaTypes: mediaTypes,
		    mediaFeatures: mediaFeatures,
		    mediaValueKeywords: mediaValueKeywords,
		    propertyKeywords: propertyKeywords,
		    nonStandardPropertyKeywords: nonStandardPropertyKeywords,
		    colorKeywords: colorKeywords,
		    valueKeywords: valueKeywords,
		    fontProperties: fontProperties,
		    allowNested: true,
		    lineComment: "//",
		    tokenHooks: {
		      "/": function(stream, state) {
		        if (stream.eat("/")) {
		          stream.skipToEnd();
		          return ["comment", "comment"];
		        } else if (stream.eat("*")) {
		          state.tokenize = tokenCComment;
		          return tokenCComment(stream, state);
		        } else {
		          return ["operator", "operator"];
		        }
		      },
		      ":": function(stream) {
		        if (stream.match(/^\s*\{/, false))
		          return [null, null]
		        return false;
		      },
		      "$": function(stream) {
		        stream.match(/^[\w-]+/);
		        if (stream.match(/^\s*:/, false))
		          return ["variable-2", "variable-definition"];
		        return ["variable-2", "variable"];
		      },
		      "#": function(stream) {
		        if (!stream.eat("{")) return false;
		        return [null, "interpolation"];
		      }
		    },
		    name: "css",
		    helperType: "scss"
		  });

		  CodeMirror.defineMIME("text/x-less", {
		    mediaTypes: mediaTypes,
		    mediaFeatures: mediaFeatures,
		    mediaValueKeywords: mediaValueKeywords,
		    propertyKeywords: propertyKeywords,
		    nonStandardPropertyKeywords: nonStandardPropertyKeywords,
		    colorKeywords: colorKeywords,
		    valueKeywords: valueKeywords,
		    fontProperties: fontProperties,
		    allowNested: true,
		    lineComment: "//",
		    tokenHooks: {
		      "/": function(stream, state) {
		        if (stream.eat("/")) {
		          stream.skipToEnd();
		          return ["comment", "comment"];
		        } else if (stream.eat("*")) {
		          state.tokenize = tokenCComment;
		          return tokenCComment(stream, state);
		        } else {
		          return ["operator", "operator"];
		        }
		      },
		      "@": function(stream) {
		        if (stream.eat("{")) return [null, "interpolation"];
		        if (stream.match(/^(charset|document|font-face|import|(-(moz|ms|o|webkit)-)?keyframes|media|namespace|page|supports)\b/i, false)) return false;
		        stream.eatWhile(/[\w\\\-]/);
		        if (stream.match(/^\s*:/, false))
		          return ["variable-2", "variable-definition"];
		        return ["variable-2", "variable"];
		      },
		      "&": function() {
		        return ["atom", "atom"];
		      }
		    },
		    name: "css",
		    helperType: "less"
		  });

		  CodeMirror.defineMIME("text/x-gss", {
		    documentTypes: documentTypes,
		    mediaTypes: mediaTypes,
		    mediaFeatures: mediaFeatures,
		    propertyKeywords: propertyKeywords,
		    nonStandardPropertyKeywords: nonStandardPropertyKeywords,
		    fontProperties: fontProperties,
		    counterDescriptors: counterDescriptors,
		    colorKeywords: colorKeywords,
		    valueKeywords: valueKeywords,
		    supportsAtComponent: true,
		    tokenHooks: {
		      "/": function(stream, state) {
		        if (!stream.eat("*")) return false;
		        state.tokenize = tokenCComment;
		        return tokenCComment(stream, state);
		      }
		    },
		    name: "css",
		    helperType: "gss"
		  });

		}); 
	} ());
	return css.exports;
}
/* Injected with object hook! */

requireCss();
/* Injected with object hook! */

var handlebars = {exports: {}};/* Injected with object hook! */

var simple = {exports: {}};/* Injected with object hook! */

var hasRequiredSimple;

function requireSimple () {
	if (hasRequiredSimple) return simple.exports;
	hasRequiredSimple = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {

		  CodeMirror.defineSimpleMode = function(name, states) {
		    CodeMirror.defineMode(name, function(config) {
		      return CodeMirror.simpleMode(config, states);
		    });
		  };

		  CodeMirror.simpleMode = function(config, states) {
		    ensureState(states, "start");
		    var states_ = {}, meta = states.meta || {}, hasIndentation = false;
		    for (var state in states) if (state != meta && states.hasOwnProperty(state)) {
		      var list = states_[state] = [], orig = states[state];
		      for (var i = 0; i < orig.length; i++) {
		        var data = orig[i];
		        list.push(new Rule(data, states));
		        if (data.indent || data.dedent) hasIndentation = true;
		      }
		    }
		    var mode = {
		      startState: function() {
		        return {state: "start", pending: null,
		                local: null, localState: null,
		                indent: hasIndentation ? [] : null};
		      },
		      copyState: function(state) {
		        var s = {state: state.state, pending: state.pending,
		                 local: state.local, localState: null,
		                 indent: state.indent && state.indent.slice(0)};
		        if (state.localState)
		          s.localState = CodeMirror.copyState(state.local.mode, state.localState);
		        if (state.stack)
		          s.stack = state.stack.slice(0);
		        for (var pers = state.persistentStates; pers; pers = pers.next)
		          s.persistentStates = {mode: pers.mode,
		                                spec: pers.spec,
		                                state: pers.state == state.localState ? s.localState : CodeMirror.copyState(pers.mode, pers.state),
		                                next: s.persistentStates};
		        return s;
		      },
		      token: tokenFunction(states_, config),
		      innerMode: function(state) { return state.local && {mode: state.local.mode, state: state.localState}; },
		      indent: indentFunction(states_, meta)
		    };
		    if (meta) for (var prop in meta) if (meta.hasOwnProperty(prop))
		      mode[prop] = meta[prop];
		    return mode;
		  };

		  function ensureState(states, name) {
		    if (!states.hasOwnProperty(name))
		      throw new Error("Undefined state " + name + " in simple mode");
		  }

		  function toRegex(val, caret) {
		    if (!val) return /(?:)/;
		    var flags = "";
		    if (val instanceof RegExp) {
		      if (val.ignoreCase) flags = "i";
		      if (val.unicode) flags += "u";
		      val = val.source;
		    } else {
		      val = String(val);
		    }
		    return new RegExp((caret === false ? "" : "^") + "(?:" + val + ")", flags);
		  }

		  function asToken(val) {
		    if (!val) return null;
		    if (val.apply) return val
		    if (typeof val == "string") return val.replace(/\./g, " ");
		    var result = [];
		    for (var i = 0; i < val.length; i++)
		      result.push(val[i] && val[i].replace(/\./g, " "));
		    return result;
		  }

		  function Rule(data, states) {
		    if (data.next || data.push) ensureState(states, data.next || data.push);
		    this.regex = toRegex(data.regex);
		    this.token = asToken(data.token);
		    this.data = data;
		  }

		  function tokenFunction(states, config) {
		    return function(stream, state) {
		      if (state.pending) {
		        var pend = state.pending.shift();
		        if (state.pending.length == 0) state.pending = null;
		        stream.pos += pend.text.length;
		        return pend.token;
		      }

		      if (state.local) {
		        if (state.local.end && stream.match(state.local.end)) {
		          var tok = state.local.endToken || null;
		          state.local = state.localState = null;
		          return tok;
		        } else {
		          var tok = state.local.mode.token(stream, state.localState), m;
		          if (state.local.endScan && (m = state.local.endScan.exec(stream.current())))
		            stream.pos = stream.start + m.index;
		          return tok;
		        }
		      }

		      var curState = states[state.state];
		      for (var i = 0; i < curState.length; i++) {
		        var rule = curState[i];
		        var matches = (!rule.data.sol || stream.sol()) && stream.match(rule.regex);
		        if (matches) {
		          if (rule.data.next) {
		            state.state = rule.data.next;
		          } else if (rule.data.push) {
		            (state.stack || (state.stack = [])).push(state.state);
		            state.state = rule.data.push;
		          } else if (rule.data.pop && state.stack && state.stack.length) {
		            state.state = state.stack.pop();
		          }

		          if (rule.data.mode)
		            enterLocalMode(config, state, rule.data.mode, rule.token);
		          if (rule.data.indent)
		            state.indent.push(stream.indentation() + config.indentUnit);
		          if (rule.data.dedent)
		            state.indent.pop();
		          var token = rule.token;
		          if (token && token.apply) token = token(matches);
		          if (matches.length > 2 && rule.token && typeof rule.token != "string") {
		            for (var j = 2; j < matches.length; j++)
		              if (matches[j])
		                (state.pending || (state.pending = [])).push({text: matches[j], token: rule.token[j - 1]});
		            stream.backUp(matches[0].length - (matches[1] ? matches[1].length : 0));
		            return token[0];
		          } else if (token && token.join) {
		            return token[0];
		          } else {
		            return token;
		          }
		        }
		      }
		      stream.next();
		      return null;
		    };
		  }

		  function cmp(a, b) {
		    if (a === b) return true;
		    if (!a || typeof a != "object" || !b || typeof b != "object") return false;
		    var props = 0;
		    for (var prop in a) if (a.hasOwnProperty(prop)) {
		      if (!b.hasOwnProperty(prop) || !cmp(a[prop], b[prop])) return false;
		      props++;
		    }
		    for (var prop in b) if (b.hasOwnProperty(prop)) props--;
		    return props == 0;
		  }

		  function enterLocalMode(config, state, spec, token) {
		    var pers;
		    if (spec.persistent) for (var p = state.persistentStates; p && !pers; p = p.next)
		      if (spec.spec ? cmp(spec.spec, p.spec) : spec.mode == p.mode) pers = p;
		    var mode = pers ? pers.mode : spec.mode || CodeMirror.getMode(config, spec.spec);
		    var lState = pers ? pers.state : CodeMirror.startState(mode);
		    if (spec.persistent && !pers)
		      state.persistentStates = {mode: mode, spec: spec.spec, state: lState, next: state.persistentStates};

		    state.localState = lState;
		    state.local = {mode: mode,
		                   end: spec.end && toRegex(spec.end),
		                   endScan: spec.end && spec.forceEnd !== false && toRegex(spec.end, false),
		                   endToken: token && token.join ? token[token.length - 1] : token};
		  }

		  function indexOf(val, arr) {
		    for (var i = 0; i < arr.length; i++) if (arr[i] === val) return true;
		  }

		  function indentFunction(states, meta) {
		    return function(state, textAfter, line) {
		      if (state.local && state.local.mode.indent)
		        return state.local.mode.indent(state.localState, textAfter, line);
		      if (state.indent == null || state.local || meta.dontIndentStates && indexOf(state.state, meta.dontIndentStates) > -1)
		        return CodeMirror.Pass;

		      var pos = state.indent.length - 1, rules = states[state.state];
		      scan: for (;;) {
		        for (var i = 0; i < rules.length; i++) {
		          var rule = rules[i];
		          if (rule.data.dedent && rule.data.dedentIfLineStart !== false) {
		            var m = rule.regex.exec(textAfter);
		            if (m && m[0]) {
		              pos--;
		              if (rule.next || rule.push) rules = states[rule.next || rule.push];
		              textAfter = textAfter.slice(m[0].length);
		              continue scan;
		            }
		          }
		        }
		        break;
		      }
		      return pos < 0 ? 0 : state.indent[pos];
		    };
		  }
		}); 
	} ());
	return simple.exports;
}
/* Injected with object hook! */

var multiplex = {exports: {}};/* Injected with object hook! */

var hasRequiredMultiplex;

function requireMultiplex () {
	if (hasRequiredMultiplex) return multiplex.exports;
	hasRequiredMultiplex = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {

		CodeMirror.multiplexingMode = function(outer /*, others */) {
		  // Others should be {open, close, mode [, delimStyle] [, innerStyle] [, parseDelimiters]} objects
		  var others = Array.prototype.slice.call(arguments, 1);

		  function indexOf(string, pattern, from, returnEnd) {
		    if (typeof pattern == "string") {
		      var found = string.indexOf(pattern, from);
		      return returnEnd && found > -1 ? found + pattern.length : found;
		    }
		    var m = pattern.exec(from ? string.slice(from) : string);
		    return m ? m.index + from + (returnEnd ? m[0].length : 0) : -1;
		  }

		  return {
		    startState: function() {
		      return {
		        outer: CodeMirror.startState(outer),
		        innerActive: null,
		        inner: null,
		        startingInner: false
		      };
		    },

		    copyState: function(state) {
		      return {
		        outer: CodeMirror.copyState(outer, state.outer),
		        innerActive: state.innerActive,
		        inner: state.innerActive && CodeMirror.copyState(state.innerActive.mode, state.inner),
		        startingInner: state.startingInner
		      };
		    },

		    token: function(stream, state) {
		      if (!state.innerActive) {
		        var cutOff = Infinity, oldContent = stream.string;
		        for (var i = 0; i < others.length; ++i) {
		          var other = others[i];
		          var found = indexOf(oldContent, other.open, stream.pos);
		          if (found == stream.pos) {
		            if (!other.parseDelimiters) stream.match(other.open);
		            state.startingInner = !!other.parseDelimiters;
		            state.innerActive = other;

		            // Get the outer indent, making sure to handle CodeMirror.Pass
		            var outerIndent = 0;
		            if (outer.indent) {
		              var possibleOuterIndent = outer.indent(state.outer, "", "");
		              if (possibleOuterIndent !== CodeMirror.Pass) outerIndent = possibleOuterIndent;
		            }

		            state.inner = CodeMirror.startState(other.mode, outerIndent);
		            return other.delimStyle && (other.delimStyle + " " + other.delimStyle + "-open");
		          } else if (found != -1 && found < cutOff) {
		            cutOff = found;
		          }
		        }
		        if (cutOff != Infinity) stream.string = oldContent.slice(0, cutOff);
		        var outerToken = outer.token(stream, state.outer);
		        if (cutOff != Infinity) stream.string = oldContent;
		        return outerToken;
		      } else {
		        var curInner = state.innerActive, oldContent = stream.string;
		        if (!curInner.close && stream.sol()) {
		          state.innerActive = state.inner = null;
		          return this.token(stream, state);
		        }
		        var found = curInner.close && !state.startingInner ?
		            indexOf(oldContent, curInner.close, stream.pos, curInner.parseDelimiters) : -1;
		        if (found == stream.pos && !curInner.parseDelimiters) {
		          stream.match(curInner.close);
		          state.innerActive = state.inner = null;
		          return curInner.delimStyle && (curInner.delimStyle + " " + curInner.delimStyle + "-close");
		        }
		        if (found > -1) stream.string = oldContent.slice(0, found);
		        var innerToken = curInner.mode.token(stream, state.inner);
		        if (found > -1) stream.string = oldContent;
		        else if (stream.pos > stream.start) state.startingInner = false;

		        if (found == stream.pos && curInner.parseDelimiters)
		          state.innerActive = state.inner = null;

		        if (curInner.innerStyle) {
		          if (innerToken) innerToken = innerToken + " " + curInner.innerStyle;
		          else innerToken = curInner.innerStyle;
		        }

		        return innerToken;
		      }
		    },

		    indent: function(state, textAfter, line) {
		      var mode = state.innerActive ? state.innerActive.mode : outer;
		      if (!mode.indent) return CodeMirror.Pass;
		      return mode.indent(state.innerActive ? state.inner : state.outer, textAfter, line);
		    },

		    blankLine: function(state) {
		      var mode = state.innerActive ? state.innerActive.mode : outer;
		      if (mode.blankLine) {
		        mode.blankLine(state.innerActive ? state.inner : state.outer);
		      }
		      if (!state.innerActive) {
		        for (var i = 0; i < others.length; ++i) {
		          var other = others[i];
		          if (other.open === "\n") {
		            state.innerActive = other;
		            state.inner = CodeMirror.startState(other.mode, mode.indent ? mode.indent(state.outer, "", "") : 0);
		          }
		        }
		      } else if (state.innerActive.close === "\n") {
		        state.innerActive = state.inner = null;
		      }
		    },

		    electricChars: outer.electricChars,

		    innerMode: function(state) {
		      return state.inner ? {state: state.inner, mode: state.innerActive.mode} : {state: state.outer, mode: outer};
		    }
		  };
		};

		}); 
	} ());
	return multiplex.exports;
}
/* Injected with object hook! */

var hasRequiredHandlebars;

function requireHandlebars () {
	if (hasRequiredHandlebars) return handlebars.exports;
	hasRequiredHandlebars = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror(), requireSimple(), requireMultiplex());
		})(function(CodeMirror) {

		  CodeMirror.defineSimpleMode("handlebars-tags", {
		    start: [
		      { regex: /\{\{\{/, push: "handlebars_raw", token: "tag" },
		      { regex: /\{\{!--/, push: "dash_comment", token: "comment" },
		      { regex: /\{\{!/,   push: "comment", token: "comment" },
		      { regex: /\{\{/,    push: "handlebars", token: "tag" }
		    ],
		    handlebars_raw: [
		      { regex: /\}\}\}/, pop: true, token: "tag" },
		    ],
		    handlebars: [
		      { regex: /\}\}/, pop: true, token: "tag" },

		      // Double and single quotes
		      { regex: /"(?:[^\\"]|\\.)*"?/, token: "string" },
		      { regex: /'(?:[^\\']|\\.)*'?/, token: "string" },

		      // Handlebars keywords
		      { regex: />|[#\/]([A-Za-z_]\w*)/, token: "keyword" },
		      { regex: /(?:else|this)\b/, token: "keyword" },

		      // Numeral
		      { regex: /\d+/i, token: "number" },

		      // Atoms like = and .
		      { regex: /=|~|@|true|false/, token: "atom" },

		      // Paths
		      { regex: /(?:\.\.\/)*(?:[A-Za-z_][\w\.]*)+/, token: "variable-2" }
		    ],
		    dash_comment: [
		      { regex: /--\}\}/, pop: true, token: "comment" },

		      // Commented code
		      { regex: /./, token: "comment"}
		    ],
		    comment: [
		      { regex: /\}\}/, pop: true, token: "comment" },
		      { regex: /./, token: "comment" }
		    ],
		    meta: {
		      blockCommentStart: "{{--",
		      blockCommentEnd: "--}}"
		    }
		  });

		  CodeMirror.defineMode("handlebars", function(config, parserConfig) {
		    var handlebars = CodeMirror.getMode(config, "handlebars-tags");
		    if (!parserConfig || !parserConfig.base) return handlebars;
		    return CodeMirror.multiplexingMode(
		      CodeMirror.getMode(config, parserConfig.base),
		      {open: "{{", close: /\}\}\}?/, mode: handlebars, parseDelimiters: true}
		    );
		  });

		  CodeMirror.defineMIME("text/x-handlebars-template", "handlebars");
		}); 
	} ());
	return handlebars.exports;
}
/* Injected with object hook! */

requireHandlebars();
/* Injected with object hook! */

var htmlmixed = {exports: {}};/* Injected with object hook! */

var xml = {exports: {}};/* Injected with object hook! */

var hasRequiredXml;

function requireXml () {
	if (hasRequiredXml) return xml.exports;
	hasRequiredXml = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {

		var htmlConfig = {
		  autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
		                    'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
		                    'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
		                    'track': true, 'wbr': true, 'menuitem': true},
		  implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
		                     'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
		                     'th': true, 'tr': true},
		  contextGrabbers: {
		    'dd': {'dd': true, 'dt': true},
		    'dt': {'dd': true, 'dt': true},
		    'li': {'li': true},
		    'option': {'option': true, 'optgroup': true},
		    'optgroup': {'optgroup': true},
		    'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
		          'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
		          'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
		          'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
		          'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
		    'rp': {'rp': true, 'rt': true},
		    'rt': {'rp': true, 'rt': true},
		    'tbody': {'tbody': true, 'tfoot': true},
		    'td': {'td': true, 'th': true},
		    'tfoot': {'tbody': true},
		    'th': {'td': true, 'th': true},
		    'thead': {'tbody': true, 'tfoot': true},
		    'tr': {'tr': true}
		  },
		  doNotIndent: {"pre": true},
		  allowUnquoted: true,
		  allowMissing: true,
		  caseFold: true
		};

		var xmlConfig = {
		  autoSelfClosers: {},
		  implicitlyClosed: {},
		  contextGrabbers: {},
		  doNotIndent: {},
		  allowUnquoted: false,
		  allowMissing: false,
		  allowMissingTagName: false,
		  caseFold: false
		};

		CodeMirror.defineMode("xml", function(editorConf, config_) {
		  var indentUnit = editorConf.indentUnit;
		  var config = {};
		  var defaults = config_.htmlMode ? htmlConfig : xmlConfig;
		  for (var prop in defaults) config[prop] = defaults[prop];
		  for (var prop in config_) config[prop] = config_[prop];

		  // Return variables for tokenizers
		  var type, setStyle;

		  function inText(stream, state) {
		    function chain(parser) {
		      state.tokenize = parser;
		      return parser(stream, state);
		    }

		    var ch = stream.next();
		    if (ch == "<") {
		      if (stream.eat("!")) {
		        if (stream.eat("[")) {
		          if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
		          else return null;
		        } else if (stream.match("--")) {
		          return chain(inBlock("comment", "-->"));
		        } else if (stream.match("DOCTYPE", true, true)) {
		          stream.eatWhile(/[\w\._\-]/);
		          return chain(doctype(1));
		        } else {
		          return null;
		        }
		      } else if (stream.eat("?")) {
		        stream.eatWhile(/[\w\._\-]/);
		        state.tokenize = inBlock("meta", "?>");
		        return "meta";
		      } else {
		        type = stream.eat("/") ? "closeTag" : "openTag";
		        state.tokenize = inTag;
		        return "tag bracket";
		      }
		    } else if (ch == "&") {
		      var ok;
		      if (stream.eat("#")) {
		        if (stream.eat("x")) {
		          ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");
		        } else {
		          ok = stream.eatWhile(/[\d]/) && stream.eat(";");
		        }
		      } else {
		        ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
		      }
		      return ok ? "atom" : "error";
		    } else {
		      stream.eatWhile(/[^&<]/);
		      return null;
		    }
		  }
		  inText.isInText = true;

		  function inTag(stream, state) {
		    var ch = stream.next();
		    if (ch == ">" || (ch == "/" && stream.eat(">"))) {
		      state.tokenize = inText;
		      type = ch == ">" ? "endTag" : "selfcloseTag";
		      return "tag bracket";
		    } else if (ch == "=") {
		      type = "equals";
		      return null;
		    } else if (ch == "<") {
		      state.tokenize = inText;
		      state.state = baseState;
		      state.tagName = state.tagStart = null;
		      var next = state.tokenize(stream, state);
		      return next ? next + " tag error" : "tag error";
		    } else if (/[\'\"]/.test(ch)) {
		      state.tokenize = inAttribute(ch);
		      state.stringStartCol = stream.column();
		      return state.tokenize(stream, state);
		    } else {
		      stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/);
		      return "word";
		    }
		  }

		  function inAttribute(quote) {
		    var closure = function(stream, state) {
		      while (!stream.eol()) {
		        if (stream.next() == quote) {
		          state.tokenize = inTag;
		          break;
		        }
		      }
		      return "string";
		    };
		    closure.isInAttribute = true;
		    return closure;
		  }

		  function inBlock(style, terminator) {
		    return function(stream, state) {
		      while (!stream.eol()) {
		        if (stream.match(terminator)) {
		          state.tokenize = inText;
		          break;
		        }
		        stream.next();
		      }
		      return style;
		    }
		  }

		  function doctype(depth) {
		    return function(stream, state) {
		      var ch;
		      while ((ch = stream.next()) != null) {
		        if (ch == "<") {
		          state.tokenize = doctype(depth + 1);
		          return state.tokenize(stream, state);
		        } else if (ch == ">") {
		          if (depth == 1) {
		            state.tokenize = inText;
		            break;
		          } else {
		            state.tokenize = doctype(depth - 1);
		            return state.tokenize(stream, state);
		          }
		        }
		      }
		      return "meta";
		    };
		  }

		  function lower(tagName) {
		    return tagName && tagName.toLowerCase();
		  }

		  function Context(state, tagName, startOfLine) {
		    this.prev = state.context;
		    this.tagName = tagName || "";
		    this.indent = state.indented;
		    this.startOfLine = startOfLine;
		    if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))
		      this.noIndent = true;
		  }
		  function popContext(state) {
		    if (state.context) state.context = state.context.prev;
		  }
		  function maybePopContext(state, nextTagName) {
		    var parentTagName;
		    while (true) {
		      if (!state.context) {
		        return;
		      }
		      parentTagName = state.context.tagName;
		      if (!config.contextGrabbers.hasOwnProperty(lower(parentTagName)) ||
		          !config.contextGrabbers[lower(parentTagName)].hasOwnProperty(lower(nextTagName))) {
		        return;
		      }
		      popContext(state);
		    }
		  }

		  function baseState(type, stream, state) {
		    if (type == "openTag") {
		      state.tagStart = stream.column();
		      return tagNameState;
		    } else if (type == "closeTag") {
		      return closeTagNameState;
		    } else {
		      return baseState;
		    }
		  }
		  function tagNameState(type, stream, state) {
		    if (type == "word") {
		      state.tagName = stream.current();
		      setStyle = "tag";
		      return attrState;
		    } else if (config.allowMissingTagName && type == "endTag") {
		      setStyle = "tag bracket";
		      return attrState(type, stream, state);
		    } else {
		      setStyle = "error";
		      return tagNameState;
		    }
		  }
		  function closeTagNameState(type, stream, state) {
		    if (type == "word") {
		      var tagName = stream.current();
		      if (state.context && state.context.tagName != tagName &&
		          config.implicitlyClosed.hasOwnProperty(lower(state.context.tagName)))
		        popContext(state);
		      if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {
		        setStyle = "tag";
		        return closeState;
		      } else {
		        setStyle = "tag error";
		        return closeStateErr;
		      }
		    } else if (config.allowMissingTagName && type == "endTag") {
		      setStyle = "tag bracket";
		      return closeState(type, stream, state);
		    } else {
		      setStyle = "error";
		      return closeStateErr;
		    }
		  }

		  function closeState(type, _stream, state) {
		    if (type != "endTag") {
		      setStyle = "error";
		      return closeState;
		    }
		    popContext(state);
		    return baseState;
		  }
		  function closeStateErr(type, stream, state) {
		    setStyle = "error";
		    return closeState(type, stream, state);
		  }

		  function attrState(type, _stream, state) {
		    if (type == "word") {
		      setStyle = "attribute";
		      return attrEqState;
		    } else if (type == "endTag" || type == "selfcloseTag") {
		      var tagName = state.tagName, tagStart = state.tagStart;
		      state.tagName = state.tagStart = null;
		      if (type == "selfcloseTag" ||
		          config.autoSelfClosers.hasOwnProperty(lower(tagName))) {
		        maybePopContext(state, tagName);
		      } else {
		        maybePopContext(state, tagName);
		        state.context = new Context(state, tagName, tagStart == state.indented);
		      }
		      return baseState;
		    }
		    setStyle = "error";
		    return attrState;
		  }
		  function attrEqState(type, stream, state) {
		    if (type == "equals") return attrValueState;
		    if (!config.allowMissing) setStyle = "error";
		    return attrState(type, stream, state);
		  }
		  function attrValueState(type, stream, state) {
		    if (type == "string") return attrContinuedState;
		    if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;}
		    setStyle = "error";
		    return attrState(type, stream, state);
		  }
		  function attrContinuedState(type, stream, state) {
		    if (type == "string") return attrContinuedState;
		    return attrState(type, stream, state);
		  }

		  return {
		    startState: function(baseIndent) {
		      var state = {tokenize: inText,
		                   state: baseState,
		                   indented: baseIndent || 0,
		                   tagName: null, tagStart: null,
		                   context: null};
		      if (baseIndent != null) state.baseIndent = baseIndent;
		      return state
		    },

		    token: function(stream, state) {
		      if (!state.tagName && stream.sol())
		        state.indented = stream.indentation();

		      if (stream.eatSpace()) return null;
		      type = null;
		      var style = state.tokenize(stream, state);
		      if ((style || type) && style != "comment") {
		        setStyle = null;
		        state.state = state.state(type || style, stream, state);
		        if (setStyle)
		          style = setStyle == "error" ? style + " error" : setStyle;
		      }
		      return style;
		    },

		    indent: function(state, textAfter, fullLine) {
		      var context = state.context;
		      // Indent multi-line strings (e.g. css).
		      if (state.tokenize.isInAttribute) {
		        if (state.tagStart == state.indented)
		          return state.stringStartCol + 1;
		        else
		          return state.indented + indentUnit;
		      }
		      if (context && context.noIndent) return CodeMirror.Pass;
		      if (state.tokenize != inTag && state.tokenize != inText)
		        return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
		      // Indent the starts of attribute names.
		      if (state.tagName) {
		        if (config.multilineTagIndentPastTag !== false)
		          return state.tagStart + state.tagName.length + 2;
		        else
		          return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1);
		      }
		      if (config.alignCDATA && /<!\[CDATA\[/.test(textAfter)) return 0;
		      var tagAfter = textAfter && /^<(\/)?([\w_:\.-]*)/.exec(textAfter);
		      if (tagAfter && tagAfter[1]) { // Closing tag spotted
		        while (context) {
		          if (context.tagName == tagAfter[2]) {
		            context = context.prev;
		            break;
		          } else if (config.implicitlyClosed.hasOwnProperty(lower(context.tagName))) {
		            context = context.prev;
		          } else {
		            break;
		          }
		        }
		      } else if (tagAfter) { // Opening tag spotted
		        while (context) {
		          var grabbers = config.contextGrabbers[lower(context.tagName)];
		          if (grabbers && grabbers.hasOwnProperty(lower(tagAfter[2])))
		            context = context.prev;
		          else
		            break;
		        }
		      }
		      while (context && context.prev && !context.startOfLine)
		        context = context.prev;
		      if (context) return context.indent + indentUnit;
		      else return state.baseIndent || 0;
		    },

		    electricInput: /<\/[\s\w:]+>$/,
		    blockCommentStart: "<!--",
		    blockCommentEnd: "-->",

		    configuration: config.htmlMode ? "html" : "xml",
		    helperType: config.htmlMode ? "html" : "xml",

		    skipAttribute: function(state) {
		      if (state.state == attrValueState)
		        state.state = attrState;
		    },

		    xmlCurrentTag: function(state) {
		      return state.tagName ? {name: state.tagName, close: state.type == "closeTag"} : null
		    },

		    xmlCurrentContext: function(state) {
		      var context = [];
		      for (var cx = state.context; cx; cx = cx.prev)
		        context.push(cx.tagName);
		      return context.reverse()
		    }
		  };
		});

		CodeMirror.defineMIME("text/xml", "xml");
		CodeMirror.defineMIME("application/xml", "xml");
		if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
		  CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});

		}); 
	} ());
	return xml.exports;
}
/* Injected with object hook! */

var javascript = {exports: {}};/* Injected with object hook! */

var hasRequiredJavascript;

function requireJavascript () {
	if (hasRequiredJavascript) return javascript.exports;
	hasRequiredJavascript = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {

		CodeMirror.defineMode("javascript", function(config, parserConfig) {
		  var indentUnit = config.indentUnit;
		  var statementIndent = parserConfig.statementIndent;
		  var jsonldMode = parserConfig.jsonld;
		  var jsonMode = parserConfig.json || jsonldMode;
		  var trackScope = parserConfig.trackScope !== false;
		  var isTS = parserConfig.typescript;
		  var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/;

		  // Tokenizer

		  var keywords = function(){
		    function kw(type) {return {type: type, style: "keyword"};}
		    var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"), D = kw("keyword d");
		    var operator = kw("operator"), atom = {type: "atom", style: "atom"};

		    return {
		      "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
		      "return": D, "break": D, "continue": D, "new": kw("new"), "delete": C, "void": C, "throw": C,
		      "debugger": kw("debugger"), "var": kw("var"), "const": kw("var"), "let": kw("var"),
		      "function": kw("function"), "catch": kw("catch"),
		      "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
		      "in": operator, "typeof": operator, "instanceof": operator,
		      "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom,
		      "this": kw("this"), "class": kw("class"), "super": kw("atom"),
		      "yield": C, "export": kw("export"), "import": kw("import"), "extends": C,
		      "await": C
		    };
		  }();

		  var isOperatorChar = /[+\-*&%=<>!?|~^@]/;
		  var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/;

		  function readRegexp(stream) {
		    var escaped = false, next, inSet = false;
		    while ((next = stream.next()) != null) {
		      if (!escaped) {
		        if (next == "/" && !inSet) return;
		        if (next == "[") inSet = true;
		        else if (inSet && next == "]") inSet = false;
		      }
		      escaped = !escaped && next == "\\";
		    }
		  }

		  // Used as scratch variables to communicate multiple values without
		  // consing up tons of objects.
		  var type, content;
		  function ret(tp, style, cont) {
		    type = tp; content = cont;
		    return style;
		  }
		  function tokenBase(stream, state) {
		    var ch = stream.next();
		    if (ch == '"' || ch == "'") {
		      state.tokenize = tokenString(ch);
		      return state.tokenize(stream, state);
		    } else if (ch == "." && stream.match(/^\d[\d_]*(?:[eE][+\-]?[\d_]+)?/)) {
		      return ret("number", "number");
		    } else if (ch == "." && stream.match("..")) {
		      return ret("spread", "meta");
		    } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
		      return ret(ch);
		    } else if (ch == "=" && stream.eat(">")) {
		      return ret("=>", "operator");
		    } else if (ch == "0" && stream.match(/^(?:x[\dA-Fa-f_]+|o[0-7_]+|b[01_]+)n?/)) {
		      return ret("number", "number");
		    } else if (/\d/.test(ch)) {
		      stream.match(/^[\d_]*(?:n|(?:\.[\d_]*)?(?:[eE][+\-]?[\d_]+)?)?/);
		      return ret("number", "number");
		    } else if (ch == "/") {
		      if (stream.eat("*")) {
		        state.tokenize = tokenComment;
		        return tokenComment(stream, state);
		      } else if (stream.eat("/")) {
		        stream.skipToEnd();
		        return ret("comment", "comment");
		      } else if (expressionAllowed(stream, state, 1)) {
		        readRegexp(stream);
		        stream.match(/^\b(([gimyus])(?![gimyus]*\2))+\b/);
		        return ret("regexp", "string-2");
		      } else {
		        stream.eat("=");
		        return ret("operator", "operator", stream.current());
		      }
		    } else if (ch == "`") {
		      state.tokenize = tokenQuasi;
		      return tokenQuasi(stream, state);
		    } else if (ch == "#" && stream.peek() == "!") {
		      stream.skipToEnd();
		      return ret("meta", "meta");
		    } else if (ch == "#" && stream.eatWhile(wordRE)) {
		      return ret("variable", "property")
		    } else if (ch == "<" && stream.match("!--") ||
		               (ch == "-" && stream.match("->") && !/\S/.test(stream.string.slice(0, stream.start)))) {
		      stream.skipToEnd();
		      return ret("comment", "comment")
		    } else if (isOperatorChar.test(ch)) {
		      if (ch != ">" || !state.lexical || state.lexical.type != ">") {
		        if (stream.eat("=")) {
		          if (ch == "!" || ch == "=") stream.eat("=");
		        } else if (/[<>*+\-|&?]/.test(ch)) {
		          stream.eat(ch);
		          if (ch == ">") stream.eat(ch);
		        }
		      }
		      if (ch == "?" && stream.eat(".")) return ret(".")
		      return ret("operator", "operator", stream.current());
		    } else if (wordRE.test(ch)) {
		      stream.eatWhile(wordRE);
		      var word = stream.current();
		      if (state.lastType != ".") {
		        if (keywords.propertyIsEnumerable(word)) {
		          var kw = keywords[word];
		          return ret(kw.type, kw.style, word)
		        }
		        if (word == "async" && stream.match(/^(\s|\/\*([^*]|\*(?!\/))*?\*\/)*[\[\(\w]/, false))
		          return ret("async", "keyword", word)
		      }
		      return ret("variable", "variable", word)
		    }
		  }

		  function tokenString(quote) {
		    return function(stream, state) {
		      var escaped = false, next;
		      if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){
		        state.tokenize = tokenBase;
		        return ret("jsonld-keyword", "meta");
		      }
		      while ((next = stream.next()) != null) {
		        if (next == quote && !escaped) break;
		        escaped = !escaped && next == "\\";
		      }
		      if (!escaped) state.tokenize = tokenBase;
		      return ret("string", "string");
		    };
		  }

		  function tokenComment(stream, state) {
		    var maybeEnd = false, ch;
		    while (ch = stream.next()) {
		      if (ch == "/" && maybeEnd) {
		        state.tokenize = tokenBase;
		        break;
		      }
		      maybeEnd = (ch == "*");
		    }
		    return ret("comment", "comment");
		  }

		  function tokenQuasi(stream, state) {
		    var escaped = false, next;
		    while ((next = stream.next()) != null) {
		      if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) {
		        state.tokenize = tokenBase;
		        break;
		      }
		      escaped = !escaped && next == "\\";
		    }
		    return ret("quasi", "string-2", stream.current());
		  }

		  var brackets = "([{}])";
		  // This is a crude lookahead trick to try and notice that we're
		  // parsing the argument patterns for a fat-arrow function before we
		  // actually hit the arrow token. It only works if the arrow is on
		  // the same line as the arguments and there's no strange noise
		  // (comments) in between. Fallback is to only notice when we hit the
		  // arrow, and not declare the arguments as locals for the arrow
		  // body.
		  function findFatArrow(stream, state) {
		    if (state.fatArrowAt) state.fatArrowAt = null;
		    var arrow = stream.string.indexOf("=>", stream.start);
		    if (arrow < 0) return;

		    if (isTS) { // Try to skip TypeScript return type declarations after the arguments
		      var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow));
		      if (m) arrow = m.index;
		    }

		    var depth = 0, sawSomething = false;
		    for (var pos = arrow - 1; pos >= 0; --pos) {
		      var ch = stream.string.charAt(pos);
		      var bracket = brackets.indexOf(ch);
		      if (bracket >= 0 && bracket < 3) {
		        if (!depth) { ++pos; break; }
		        if (--depth == 0) { if (ch == "(") sawSomething = true; break; }
		      } else if (bracket >= 3 && bracket < 6) {
		        ++depth;
		      } else if (wordRE.test(ch)) {
		        sawSomething = true;
		      } else if (/["'\/`]/.test(ch)) {
		        for (;; --pos) {
		          if (pos == 0) return
		          var next = stream.string.charAt(pos - 1);
		          if (next == ch && stream.string.charAt(pos - 2) != "\\") { pos--; break }
		        }
		      } else if (sawSomething && !depth) {
		        ++pos;
		        break;
		      }
		    }
		    if (sawSomething && !depth) state.fatArrowAt = pos;
		  }

		  // Parser

		  var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true,
		                     "regexp": true, "this": true, "import": true, "jsonld-keyword": true};

		  function JSLexical(indented, column, type, align, prev, info) {
		    this.indented = indented;
		    this.column = column;
		    this.type = type;
		    this.prev = prev;
		    this.info = info;
		    if (align != null) this.align = align;
		  }

		  function inScope(state, varname) {
		    if (!trackScope) return false
		    for (var v = state.localVars; v; v = v.next)
		      if (v.name == varname) return true;
		    for (var cx = state.context; cx; cx = cx.prev) {
		      for (var v = cx.vars; v; v = v.next)
		        if (v.name == varname) return true;
		    }
		  }

		  function parseJS(state, style, type, content, stream) {
		    var cc = state.cc;
		    // Communicate our context to the combinators.
		    // (Less wasteful than consing up a hundred closures on every call.)
		    cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style;

		    if (!state.lexical.hasOwnProperty("align"))
		      state.lexical.align = true;

		    while(true) {
		      var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
		      if (combinator(type, content)) {
		        while(cc.length && cc[cc.length - 1].lex)
		          cc.pop()();
		        if (cx.marked) return cx.marked;
		        if (type == "variable" && inScope(state, content)) return "variable-2";
		        return style;
		      }
		    }
		  }

		  // Combinator utils

		  var cx = {state: null, marked: null, cc: null};
		  function pass() {
		    for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
		  }
		  function cont() {
		    pass.apply(null, arguments);
		    return true;
		  }
		  function inList(name, list) {
		    for (var v = list; v; v = v.next) if (v.name == name) return true
		    return false;
		  }
		  function register(varname) {
		    var state = cx.state;
		    cx.marked = "def";
		    if (!trackScope) return
		    if (state.context) {
		      if (state.lexical.info == "var" && state.context && state.context.block) {
		        // FIXME function decls are also not block scoped
		        var newContext = registerVarScoped(varname, state.context);
		        if (newContext != null) {
		          state.context = newContext;
		          return
		        }
		      } else if (!inList(varname, state.localVars)) {
		        state.localVars = new Var(varname, state.localVars);
		        return
		      }
		    }
		    // Fall through means this is global
		    if (parserConfig.globalVars && !inList(varname, state.globalVars))
		      state.globalVars = new Var(varname, state.globalVars);
		  }
		  function registerVarScoped(varname, context) {
		    if (!context) {
		      return null
		    } else if (context.block) {
		      var inner = registerVarScoped(varname, context.prev);
		      if (!inner) return null
		      if (inner == context.prev) return context
		      return new Context(inner, context.vars, true)
		    } else if (inList(varname, context.vars)) {
		      return context
		    } else {
		      return new Context(context.prev, new Var(varname, context.vars), false)
		    }
		  }

		  function isModifier(name) {
		    return name == "public" || name == "private" || name == "protected" || name == "abstract" || name == "readonly"
		  }

		  // Combinators

		  function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block; }
		  function Var(name, next) { this.name = name; this.next = next; }

		  var defaultVars = new Var("this", new Var("arguments", null));
		  function pushcontext() {
		    cx.state.context = new Context(cx.state.context, cx.state.localVars, false);
		    cx.state.localVars = defaultVars;
		  }
		  function pushblockcontext() {
		    cx.state.context = new Context(cx.state.context, cx.state.localVars, true);
		    cx.state.localVars = null;
		  }
		  pushcontext.lex = pushblockcontext.lex = true;
		  function popcontext() {
		    cx.state.localVars = cx.state.context.vars;
		    cx.state.context = cx.state.context.prev;
		  }
		  popcontext.lex = true;
		  function pushlex(type, info) {
		    var result = function() {
		      var state = cx.state, indent = state.indented;
		      if (state.lexical.type == "stat") indent = state.lexical.indented;
		      else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev)
		        indent = outer.indented;
		      state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);
		    };
		    result.lex = true;
		    return result;
		  }
		  function poplex() {
		    var state = cx.state;
		    if (state.lexical.prev) {
		      if (state.lexical.type == ")")
		        state.indented = state.lexical.indented;
		      state.lexical = state.lexical.prev;
		    }
		  }
		  poplex.lex = true;

		  function expect(wanted) {
		    function exp(type) {
		      if (type == wanted) return cont();
		      else if (wanted == ";" || type == "}" || type == ")" || type == "]") return pass();
		      else return cont(exp);
		    }		    return exp;
		  }

		  function statement(type, value) {
		    if (type == "var") return cont(pushlex("vardef", value), vardef, expect(";"), poplex);
		    if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex);
		    if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
		    if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex);
		    if (type == "debugger") return cont(expect(";"));
		    if (type == "{") return cont(pushlex("}"), pushblockcontext, block, poplex, popcontext);
		    if (type == ";") return cont();
		    if (type == "if") {
		      if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex)
		        cx.state.cc.pop()();
		      return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse);
		    }
		    if (type == "function") return cont(functiondef);
		    if (type == "for") return cont(pushlex("form"), pushblockcontext, forspec, statement, popcontext, poplex);
		    if (type == "class" || (isTS && value == "interface")) {
		      cx.marked = "keyword";
		      return cont(pushlex("form", type == "class" ? type : value), className, poplex)
		    }
		    if (type == "variable") {
		      if (isTS && value == "declare") {
		        cx.marked = "keyword";
		        return cont(statement)
		      } else if (isTS && (value == "module" || value == "enum" || value == "type") && cx.stream.match(/^\s*\w/, false)) {
		        cx.marked = "keyword";
		        if (value == "enum") return cont(enumdef);
		        else if (value == "type") return cont(typename, expect("operator"), typeexpr, expect(";"));
		        else return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex)
		      } else if (isTS && value == "namespace") {
		        cx.marked = "keyword";
		        return cont(pushlex("form"), expression, statement, poplex)
		      } else if (isTS && value == "abstract") {
		        cx.marked = "keyword";
		        return cont(statement)
		      } else {
		        return cont(pushlex("stat"), maybelabel);
		      }
		    }
		    if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"), pushblockcontext,
		                                      block, poplex, poplex, popcontext);
		    if (type == "case") return cont(expression, expect(":"));
		    if (type == "default") return cont(expect(":"));
		    if (type == "catch") return cont(pushlex("form"), pushcontext, maybeCatchBinding, statement, poplex, popcontext);
		    if (type == "export") return cont(pushlex("stat"), afterExport, poplex);
		    if (type == "import") return cont(pushlex("stat"), afterImport, poplex);
		    if (type == "async") return cont(statement)
		    if (value == "@") return cont(expression, statement)
		    return pass(pushlex("stat"), expression, expect(";"), poplex);
		  }
		  function maybeCatchBinding(type) {
		    if (type == "(") return cont(funarg, expect(")"))
		  }
		  function expression(type, value) {
		    return expressionInner(type, value, false);
		  }
		  function expressionNoComma(type, value) {
		    return expressionInner(type, value, true);
		  }
		  function parenExpr(type) {
		    if (type != "(") return pass()
		    return cont(pushlex(")"), maybeexpression, expect(")"), poplex)
		  }
		  function expressionInner(type, value, noComma) {
		    if (cx.state.fatArrowAt == cx.stream.start) {
		      var body = noComma ? arrowBodyNoComma : arrowBody;
		      if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, expect("=>"), body, popcontext);
		      else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext);
		    }

		    var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;
		    if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);
		    if (type == "function") return cont(functiondef, maybeop);
		    if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), classExpression, poplex); }
		    if (type == "keyword c" || type == "async") return cont(noComma ? expressionNoComma : expression);
		    if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop);
		    if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression);
		    if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop);
		    if (type == "{") return contCommasep(objprop, "}", null, maybeop);
		    if (type == "quasi") return pass(quasi, maybeop);
		    if (type == "new") return cont(maybeTarget(noComma));
		    return cont();
		  }
		  function maybeexpression(type) {
		    if (type.match(/[;\}\)\],]/)) return pass();
		    return pass(expression);
		  }

		  function maybeoperatorComma(type, value) {
		    if (type == ",") return cont(maybeexpression);
		    return maybeoperatorNoComma(type, value, false);
		  }
		  function maybeoperatorNoComma(type, value, noComma) {
		    var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;
		    var expr = noComma == false ? expression : expressionNoComma;
		    if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);
		    if (type == "operator") {
		      if (/\+\+|--/.test(value) || isTS && value == "!") return cont(me);
		      if (isTS && value == "<" && cx.stream.match(/^([^<>]|<[^<>]*>)*>\s*\(/, false))
		        return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, me);
		      if (value == "?") return cont(expression, expect(":"), expr);
		      return cont(expr);
		    }
		    if (type == "quasi") { return pass(quasi, me); }
		    if (type == ";") return;
		    if (type == "(") return contCommasep(expressionNoComma, ")", "call", me);
		    if (type == ".") return cont(property, me);
		    if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me);
		    if (isTS && value == "as") { cx.marked = "keyword"; return cont(typeexpr, me) }
		    if (type == "regexp") {
		      cx.state.lastType = cx.marked = "operator";
		      cx.stream.backUp(cx.stream.pos - cx.stream.start - 1);
		      return cont(expr)
		    }
		  }
		  function quasi(type, value) {
		    if (type != "quasi") return pass();
		    if (value.slice(value.length - 2) != "${") return cont(quasi);
		    return cont(maybeexpression, continueQuasi);
		  }
		  function continueQuasi(type) {
		    if (type == "}") {
		      cx.marked = "string-2";
		      cx.state.tokenize = tokenQuasi;
		      return cont(quasi);
		    }
		  }
		  function arrowBody(type) {
		    findFatArrow(cx.stream, cx.state);
		    return pass(type == "{" ? statement : expression);
		  }
		  function arrowBodyNoComma(type) {
		    findFatArrow(cx.stream, cx.state);
		    return pass(type == "{" ? statement : expressionNoComma);
		  }
		  function maybeTarget(noComma) {
		    return function(type) {
		      if (type == ".") return cont(noComma ? targetNoComma : target);
		      else if (type == "variable" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma)
		      else return pass(noComma ? expressionNoComma : expression);
		    };
		  }
		  function target(_, value) {
		    if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); }
		  }
		  function targetNoComma(_, value) {
		    if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); }
		  }
		  function maybelabel(type) {
		    if (type == ":") return cont(poplex, statement);
		    return pass(maybeoperatorComma, expect(";"), poplex);
		  }
		  function property(type) {
		    if (type == "variable") {cx.marked = "property"; return cont();}
		  }
		  function objprop(type, value) {
		    if (type == "async") {
		      cx.marked = "property";
		      return cont(objprop);
		    } else if (type == "variable" || cx.style == "keyword") {
		      cx.marked = "property";
		      if (value == "get" || value == "set") return cont(getterSetter);
		      var m; // Work around fat-arrow-detection complication for detecting typescript typed arrow params
		      if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\s*:\s*/, false)))
		        cx.state.fatArrowAt = cx.stream.pos + m[0].length;
		      return cont(afterprop);
		    } else if (type == "number" || type == "string") {
		      cx.marked = jsonldMode ? "property" : (cx.style + " property");
		      return cont(afterprop);
		    } else if (type == "jsonld-keyword") {
		      return cont(afterprop);
		    } else if (isTS && isModifier(value)) {
		      cx.marked = "keyword";
		      return cont(objprop)
		    } else if (type == "[") {
		      return cont(expression, maybetype, expect("]"), afterprop);
		    } else if (type == "spread") {
		      return cont(expressionNoComma, afterprop);
		    } else if (value == "*") {
		      cx.marked = "keyword";
		      return cont(objprop);
		    } else if (type == ":") {
		      return pass(afterprop)
		    }
		  }
		  function getterSetter(type) {
		    if (type != "variable") return pass(afterprop);
		    cx.marked = "property";
		    return cont(functiondef);
		  }
		  function afterprop(type) {
		    if (type == ":") return cont(expressionNoComma);
		    if (type == "(") return pass(functiondef);
		  }
		  function commasep(what, end, sep) {
		    function proceed(type, value) {
		      if (sep ? sep.indexOf(type) > -1 : type == ",") {
		        var lex = cx.state.lexical;
		        if (lex.info == "call") lex.pos = (lex.pos || 0) + 1;
		        return cont(function(type, value) {
		          if (type == end || value == end) return pass()
		          return pass(what)
		        }, proceed);
		      }
		      if (type == end || value == end) return cont();
		      if (sep && sep.indexOf(";") > -1) return pass(what)
		      return cont(expect(end));
		    }
		    return function(type, value) {
		      if (type == end || value == end) return cont();
		      return pass(what, proceed);
		    };
		  }
		  function contCommasep(what, end, info) {
		    for (var i = 3; i < arguments.length; i++)
		      cx.cc.push(arguments[i]);
		    return cont(pushlex(end, info), commasep(what, end), poplex);
		  }
		  function block(type) {
		    if (type == "}") return cont();
		    return pass(statement, block);
		  }
		  function maybetype(type, value) {
		    if (isTS) {
		      if (type == ":") return cont(typeexpr);
		      if (value == "?") return cont(maybetype);
		    }
		  }
		  function maybetypeOrIn(type, value) {
		    if (isTS && (type == ":" || value == "in")) return cont(typeexpr)
		  }
		  function mayberettype(type) {
		    if (isTS && type == ":") {
		      if (cx.stream.match(/^\s*\w+\s+is\b/, false)) return cont(expression, isKW, typeexpr)
		      else return cont(typeexpr)
		    }
		  }
		  function isKW(_, value) {
		    if (value == "is") {
		      cx.marked = "keyword";
		      return cont()
		    }
		  }
		  function typeexpr(type, value) {
		    if (value == "keyof" || value == "typeof" || value == "infer" || value == "readonly") {
		      cx.marked = "keyword";
		      return cont(value == "typeof" ? expressionNoComma : typeexpr)
		    }
		    if (type == "variable" || value == "void") {
		      cx.marked = "type";
		      return cont(afterType)
		    }
		    if (value == "|" || value == "&") return cont(typeexpr)
		    if (type == "string" || type == "number" || type == "atom") return cont(afterType);
		    if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType)
		    if (type == "{") return cont(pushlex("}"), typeprops, poplex, afterType)
		    if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType, afterType)
		    if (type == "<") return cont(commasep(typeexpr, ">"), typeexpr)
		    if (type == "quasi") { return pass(quasiType, afterType); }
		  }
		  function maybeReturnType(type) {
		    if (type == "=>") return cont(typeexpr)
		  }
		  function typeprops(type) {
		    if (type.match(/[\}\)\]]/)) return cont()
		    if (type == "," || type == ";") return cont(typeprops)
		    return pass(typeprop, typeprops)
		  }
		  function typeprop(type, value) {
		    if (type == "variable" || cx.style == "keyword") {
		      cx.marked = "property";
		      return cont(typeprop)
		    } else if (value == "?" || type == "number" || type == "string") {
		      return cont(typeprop)
		    } else if (type == ":") {
		      return cont(typeexpr)
		    } else if (type == "[") {
		      return cont(expect("variable"), maybetypeOrIn, expect("]"), typeprop)
		    } else if (type == "(") {
		      return pass(functiondecl, typeprop)
		    } else if (!type.match(/[;\}\)\],]/)) {
		      return cont()
		    }
		  }
		  function quasiType(type, value) {
		    if (type != "quasi") return pass();
		    if (value.slice(value.length - 2) != "${") return cont(quasiType);
		    return cont(typeexpr, continueQuasiType);
		  }
		  function continueQuasiType(type) {
		    if (type == "}") {
		      cx.marked = "string-2";
		      cx.state.tokenize = tokenQuasi;
		      return cont(quasiType);
		    }
		  }
		  function typearg(type, value) {
		    if (type == "variable" && cx.stream.match(/^\s*[?:]/, false) || value == "?") return cont(typearg)
		    if (type == ":") return cont(typeexpr)
		    if (type == "spread") return cont(typearg)
		    return pass(typeexpr)
		  }
		  function afterType(type, value) {
		    if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
		    if (value == "|" || type == "." || value == "&") return cont(typeexpr)
		    if (type == "[") return cont(typeexpr, expect("]"), afterType)
		    if (value == "extends" || value == "implements") { cx.marked = "keyword"; return cont(typeexpr) }
		    if (value == "?") return cont(typeexpr, expect(":"), typeexpr)
		  }
		  function maybeTypeArgs(_, value) {
		    if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
		  }
		  function typeparam() {
		    return pass(typeexpr, maybeTypeDefault)
		  }
		  function maybeTypeDefault(_, value) {
		    if (value == "=") return cont(typeexpr)
		  }
		  function vardef(_, value) {
		    if (value == "enum") {cx.marked = "keyword"; return cont(enumdef)}
		    return pass(pattern, maybetype, maybeAssign, vardefCont);
		  }
		  function pattern(type, value) {
		    if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(pattern) }
		    if (type == "variable") { register(value); return cont(); }
		    if (type == "spread") return cont(pattern);
		    if (type == "[") return contCommasep(eltpattern, "]");
		    if (type == "{") return contCommasep(proppattern, "}");
		  }
		  function proppattern(type, value) {
		    if (type == "variable" && !cx.stream.match(/^\s*:/, false)) {
		      register(value);
		      return cont(maybeAssign);
		    }
		    if (type == "variable") cx.marked = "property";
		    if (type == "spread") return cont(pattern);
		    if (type == "}") return pass();
		    if (type == "[") return cont(expression, expect(']'), expect(':'), proppattern);
		    return cont(expect(":"), pattern, maybeAssign);
		  }
		  function eltpattern() {
		    return pass(pattern, maybeAssign)
		  }
		  function maybeAssign(_type, value) {
		    if (value == "=") return cont(expressionNoComma);
		  }
		  function vardefCont(type) {
		    if (type == ",") return cont(vardef);
		  }
		  function maybeelse(type, value) {
		    if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex);
		  }
		  function forspec(type, value) {
		    if (value == "await") return cont(forspec);
		    if (type == "(") return cont(pushlex(")"), forspec1, poplex);
		  }
		  function forspec1(type) {
		    if (type == "var") return cont(vardef, forspec2);
		    if (type == "variable") return cont(forspec2);
		    return pass(forspec2)
		  }
		  function forspec2(type, value) {
		    if (type == ")") return cont()
		    if (type == ";") return cont(forspec2)
		    if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression, forspec2) }
		    return pass(expression, forspec2)
		  }
		  function functiondef(type, value) {
		    if (value == "*") {cx.marked = "keyword"; return cont(functiondef);}
		    if (type == "variable") {register(value); return cont(functiondef);}
		    if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, statement, popcontext);
		    if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondef)
		  }
		  function functiondecl(type, value) {
		    if (value == "*") {cx.marked = "keyword"; return cont(functiondecl);}
		    if (type == "variable") {register(value); return cont(functiondecl);}
		    if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, popcontext);
		    if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondecl)
		  }
		  function typename(type, value) {
		    if (type == "keyword" || type == "variable") {
		      cx.marked = "type";
		      return cont(typename)
		    } else if (value == "<") {
		      return cont(pushlex(">"), commasep(typeparam, ">"), poplex)
		    }
		  }
		  function funarg(type, value) {
		    if (value == "@") cont(expression, funarg);
		    if (type == "spread") return cont(funarg);
		    if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(funarg); }
		    if (isTS && type == "this") return cont(maybetype, maybeAssign)
		    return pass(pattern, maybetype, maybeAssign);
		  }
		  function classExpression(type, value) {
		    // Class expressions may have an optional name.
		    if (type == "variable") return className(type, value);
		    return classNameAfter(type, value);
		  }
		  function className(type, value) {
		    if (type == "variable") {register(value); return cont(classNameAfter);}
		  }
		  function classNameAfter(type, value) {
		    if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter)
		    if (value == "extends" || value == "implements" || (isTS && type == ",")) {
		      if (value == "implements") cx.marked = "keyword";
		      return cont(isTS ? typeexpr : expression, classNameAfter);
		    }
		    if (type == "{") return cont(pushlex("}"), classBody, poplex);
		  }
		  function classBody(type, value) {
		    if (type == "async" ||
		        (type == "variable" &&
		         (value == "static" || value == "get" || value == "set" || (isTS && isModifier(value))) &&
		         cx.stream.match(/^\s+#?[\w$\xa1-\uffff]/, false))) {
		      cx.marked = "keyword";
		      return cont(classBody);
		    }
		    if (type == "variable" || cx.style == "keyword") {
		      cx.marked = "property";
		      return cont(classfield, classBody);
		    }
		    if (type == "number" || type == "string") return cont(classfield, classBody);
		    if (type == "[")
		      return cont(expression, maybetype, expect("]"), classfield, classBody)
		    if (value == "*") {
		      cx.marked = "keyword";
		      return cont(classBody);
		    }
		    if (isTS && type == "(") return pass(functiondecl, classBody)
		    if (type == ";" || type == ",") return cont(classBody);
		    if (type == "}") return cont();
		    if (value == "@") return cont(expression, classBody)
		  }
		  function classfield(type, value) {
		    if (value == "!") return cont(classfield)
		    if (value == "?") return cont(classfield)
		    if (type == ":") return cont(typeexpr, maybeAssign)
		    if (value == "=") return cont(expressionNoComma)
		    var context = cx.state.lexical.prev, isInterface = context && context.info == "interface";
		    return pass(isInterface ? functiondecl : functiondef)
		  }
		  function afterExport(type, value) {
		    if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); }
		    if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); }
		    if (type == "{") return cont(commasep(exportField, "}"), maybeFrom, expect(";"));
		    return pass(statement);
		  }
		  function exportField(type, value) {
		    if (value == "as") { cx.marked = "keyword"; return cont(expect("variable")); }
		    if (type == "variable") return pass(expressionNoComma, exportField);
		  }
		  function afterImport(type) {
		    if (type == "string") return cont();
		    if (type == "(") return pass(expression);
		    if (type == ".") return pass(maybeoperatorComma);
		    return pass(importSpec, maybeMoreImports, maybeFrom);
		  }
		  function importSpec(type, value) {
		    if (type == "{") return contCommasep(importSpec, "}");
		    if (type == "variable") register(value);
		    if (value == "*") cx.marked = "keyword";
		    return cont(maybeAs);
		  }
		  function maybeMoreImports(type) {
		    if (type == ",") return cont(importSpec, maybeMoreImports)
		  }
		  function maybeAs(_type, value) {
		    if (value == "as") { cx.marked = "keyword"; return cont(importSpec); }
		  }
		  function maybeFrom(_type, value) {
		    if (value == "from") { cx.marked = "keyword"; return cont(expression); }
		  }
		  function arrayLiteral(type) {
		    if (type == "]") return cont();
		    return pass(commasep(expressionNoComma, "]"));
		  }
		  function enumdef() {
		    return pass(pushlex("form"), pattern, expect("{"), pushlex("}"), commasep(enummember, "}"), poplex, poplex)
		  }
		  function enummember() {
		    return pass(pattern, maybeAssign);
		  }

		  function isContinuedStatement(state, textAfter) {
		    return state.lastType == "operator" || state.lastType == "," ||
		      isOperatorChar.test(textAfter.charAt(0)) ||
		      /[,.]/.test(textAfter.charAt(0));
		  }

		  function expressionAllowed(stream, state, backUp) {
		    return state.tokenize == tokenBase &&
		      /^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\[{}\(,;:]|=>)$/.test(state.lastType) ||
		      (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0))))
		  }

		  // Interface

		  return {
		    startState: function(basecolumn) {
		      var state = {
		        tokenize: tokenBase,
		        lastType: "sof",
		        cc: [],
		        lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
		        localVars: parserConfig.localVars,
		        context: parserConfig.localVars && new Context(null, null, false),
		        indented: basecolumn || 0
		      };
		      if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
		        state.globalVars = parserConfig.globalVars;
		      return state;
		    },

		    token: function(stream, state) {
		      if (stream.sol()) {
		        if (!state.lexical.hasOwnProperty("align"))
		          state.lexical.align = false;
		        state.indented = stream.indentation();
		        findFatArrow(stream, state);
		      }
		      if (state.tokenize != tokenComment && stream.eatSpace()) return null;
		      var style = state.tokenize(stream, state);
		      if (type == "comment") return style;
		      state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type;
		      return parseJS(state, style, type, content, stream);
		    },

		    indent: function(state, textAfter) {
		      if (state.tokenize == tokenComment || state.tokenize == tokenQuasi) return CodeMirror.Pass;
		      if (state.tokenize != tokenBase) return 0;
		      var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top;
		      // Kludge to prevent 'maybelse' from blocking lexical scope pops
		      if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {
		        var c = state.cc[i];
		        if (c == poplex) lexical = lexical.prev;
		        else if (c != maybeelse && c != popcontext) break;
		      }
		      while ((lexical.type == "stat" || lexical.type == "form") &&
		             (firstChar == "}" || ((top = state.cc[state.cc.length - 1]) &&
		                                   (top == maybeoperatorComma || top == maybeoperatorNoComma) &&
		                                   !/^[,\.=+\-*:?[\(]/.test(textAfter))))
		        lexical = lexical.prev;
		      if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat")
		        lexical = lexical.prev;
		      var type = lexical.type, closing = firstChar == type;

		      if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info.length + 1 : 0);
		      else if (type == "form" && firstChar == "{") return lexical.indented;
		      else if (type == "form") return lexical.indented + indentUnit;
		      else if (type == "stat")
		        return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0);
		      else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false)
		        return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
		      else if (lexical.align) return lexical.column + (closing ? 0 : 1);
		      else return lexical.indented + (closing ? 0 : indentUnit);
		    },

		    electricInput: /^\s*(?:case .*?:|default:|\{|\})$/,
		    blockCommentStart: jsonMode ? null : "/*",
		    blockCommentEnd: jsonMode ? null : "*/",
		    blockCommentContinue: jsonMode ? null : " * ",
		    lineComment: jsonMode ? null : "//",
		    fold: "brace",
		    closeBrackets: "()[]{}''\"\"``",

		    helperType: jsonMode ? "json" : "javascript",
		    jsonldMode: jsonldMode,
		    jsonMode: jsonMode,

		    expressionAllowed: expressionAllowed,

		    skipExpression: function(state) {
		      parseJS(state, "atom", "atom", "true", new CodeMirror.StringStream("", 2, null));
		    }
		  };
		});

		CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/);

		CodeMirror.defineMIME("text/javascript", "javascript");
		CodeMirror.defineMIME("text/ecmascript", "javascript");
		CodeMirror.defineMIME("application/javascript", "javascript");
		CodeMirror.defineMIME("application/x-javascript", "javascript");
		CodeMirror.defineMIME("application/ecmascript", "javascript");
		CodeMirror.defineMIME("application/json", { name: "javascript", json: true });
		CodeMirror.defineMIME("application/x-json", { name: "javascript", json: true });
		CodeMirror.defineMIME("application/manifest+json", { name: "javascript", json: true });
		CodeMirror.defineMIME("application/ld+json", { name: "javascript", jsonld: true });
		CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true });
		CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true });

		}); 
	} ());
	return javascript.exports;
}
/* Injected with object hook! */

var hasRequiredHtmlmixed;

function requireHtmlmixed () {
	if (hasRequiredHtmlmixed) return htmlmixed.exports;
	hasRequiredHtmlmixed = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror(), requireXml(), requireJavascript(), requireCss());
		})(function(CodeMirror) {

		  var defaultTags = {
		    script: [
		      ["lang", /(javascript|babel)/i, "javascript"],
		      ["type", /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^module$|^$/i, "javascript"],
		      ["type", /./, "text/plain"],
		      [null, null, "javascript"]
		    ],
		    style:  [
		      ["lang", /^css$/i, "css"],
		      ["type", /^(text\/)?(x-)?(stylesheet|css)$/i, "css"],
		      ["type", /./, "text/plain"],
		      [null, null, "css"]
		    ]
		  };

		  function maybeBackup(stream, pat, style) {
		    var cur = stream.current(), close = cur.search(pat);
		    if (close > -1) {
		      stream.backUp(cur.length - close);
		    } else if (cur.match(/<\/?$/)) {
		      stream.backUp(cur.length);
		      if (!stream.match(pat, false)) stream.match(cur);
		    }
		    return style;
		  }

		  var attrRegexpCache = {};
		  function getAttrRegexp(attr) {
		    var regexp = attrRegexpCache[attr];
		    if (regexp) return regexp;
		    return attrRegexpCache[attr] = new RegExp("\\s+" + attr + "\\s*=\\s*('|\")?([^'\"]+)('|\")?\\s*");
		  }

		  function getAttrValue(text, attr) {
		    var match = text.match(getAttrRegexp(attr));
		    return match ? /^\s*(.*?)\s*$/.exec(match[2])[1] : ""
		  }

		  function getTagRegexp(tagName, anchored) {
		    return new RegExp((anchored ? "^" : "") + "<\/\\s*" + tagName + "\\s*>", "i");
		  }

		  function addTags(from, to) {
		    for (var tag in from) {
		      var dest = to[tag] || (to[tag] = []);
		      var source = from[tag];
		      for (var i = source.length - 1; i >= 0; i--)
		        dest.unshift(source[i]);
		    }
		  }

		  function findMatchingMode(tagInfo, tagText) {
		    for (var i = 0; i < tagInfo.length; i++) {
		      var spec = tagInfo[i];
		      if (!spec[0] || spec[1].test(getAttrValue(tagText, spec[0]))) return spec[2];
		    }
		  }

		  CodeMirror.defineMode("htmlmixed", function (config, parserConfig) {
		    var htmlMode = CodeMirror.getMode(config, {
		      name: "xml",
		      htmlMode: true,
		      multilineTagIndentFactor: parserConfig.multilineTagIndentFactor,
		      multilineTagIndentPastTag: parserConfig.multilineTagIndentPastTag,
		      allowMissingTagName: parserConfig.allowMissingTagName,
		    });

		    var tags = {};
		    var configTags = parserConfig && parserConfig.tags, configScript = parserConfig && parserConfig.scriptTypes;
		    addTags(defaultTags, tags);
		    if (configTags) addTags(configTags, tags);
		    if (configScript) for (var i = configScript.length - 1; i >= 0; i--)
		      tags.script.unshift(["type", configScript[i].matches, configScript[i].mode]);

		    function html(stream, state) {
		      var style = htmlMode.token(stream, state.htmlState), tag = /\btag\b/.test(style), tagName;
		      if (tag && !/[<>\s\/]/.test(stream.current()) &&
		          (tagName = state.htmlState.tagName && state.htmlState.tagName.toLowerCase()) &&
		          tags.hasOwnProperty(tagName)) {
		        state.inTag = tagName + " ";
		      } else if (state.inTag && tag && />$/.test(stream.current())) {
		        var inTag = /^([\S]+) (.*)/.exec(state.inTag);
		        state.inTag = null;
		        var modeSpec = stream.current() == ">" && findMatchingMode(tags[inTag[1]], inTag[2]);
		        var mode = CodeMirror.getMode(config, modeSpec);
		        var endTagA = getTagRegexp(inTag[1], true), endTag = getTagRegexp(inTag[1], false);
		        state.token = function (stream, state) {
		          if (stream.match(endTagA, false)) {
		            state.token = html;
		            state.localState = state.localMode = null;
		            return null;
		          }
		          return maybeBackup(stream, endTag, state.localMode.token(stream, state.localState));
		        };
		        state.localMode = mode;
		        state.localState = CodeMirror.startState(mode, htmlMode.indent(state.htmlState, "", ""));
		      } else if (state.inTag) {
		        state.inTag += stream.current();
		        if (stream.eol()) state.inTag += " ";
		      }
		      return style;
		    }
		    return {
		      startState: function () {
		        var state = CodeMirror.startState(htmlMode);
		        return {token: html, inTag: null, localMode: null, localState: null, htmlState: state};
		      },

		      copyState: function (state) {
		        var local;
		        if (state.localState) {
		          local = CodeMirror.copyState(state.localMode, state.localState);
		        }
		        return {token: state.token, inTag: state.inTag,
		                localMode: state.localMode, localState: local,
		                htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};
		      },

		      token: function (stream, state) {
		        return state.token(stream, state);
		      },

		      indent: function (state, textAfter, line) {
		        if (!state.localMode || /^\s*<\//.test(textAfter))
		          return htmlMode.indent(state.htmlState, textAfter, line);
		        else if (state.localMode.indent)
		          return state.localMode.indent(state.localState, textAfter, line);
		        else
		          return CodeMirror.Pass;
		      },

		      innerMode: function (state) {
		        return {state: state.localState || state.htmlState, mode: state.localMode || htmlMode};
		      }
		    };
		  }, "xml", "javascript", "css");

		  CodeMirror.defineMIME("text/html", "htmlmixed");
		}); 
	} ());
	return htmlmixed.exports;
}
/* Injected with object hook! */

requireHtmlmixed();
/* Injected with object hook! */

requireJavascript();
/* Injected with object hook! */

var markdown = {exports: {}};/* Injected with object hook! */

var meta = {exports: {}};/* Injected with object hook! */

var hasRequiredMeta;

function requireMeta () {
	if (hasRequiredMeta) return meta.exports;
	hasRequiredMeta = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {

		  CodeMirror.modeInfo = [
		    {name: "APL", mime: "text/apl", mode: "apl", ext: ["dyalog", "apl"]},
		    {name: "PGP", mimes: ["application/pgp", "application/pgp-encrypted", "application/pgp-keys", "application/pgp-signature"], mode: "asciiarmor", ext: ["asc", "pgp", "sig"]},
		    {name: "ASN.1", mime: "text/x-ttcn-asn", mode: "asn.1", ext: ["asn", "asn1"]},
		    {name: "Asterisk", mime: "text/x-asterisk", mode: "asterisk", file: /^extensions\.conf$/i},
		    {name: "Brainfuck", mime: "text/x-brainfuck", mode: "brainfuck", ext: ["b", "bf"]},
		    {name: "C", mime: "text/x-csrc", mode: "clike", ext: ["c", "h", "ino"]},
		    {name: "C++", mime: "text/x-c++src", mode: "clike", ext: ["cpp", "c++", "cc", "cxx", "hpp", "h++", "hh", "hxx"], alias: ["cpp"]},
		    {name: "Cobol", mime: "text/x-cobol", mode: "cobol", ext: ["cob", "cpy", "cbl"]},
		    {name: "C#", mime: "text/x-csharp", mode: "clike", ext: ["cs"], alias: ["csharp", "cs"]},
		    {name: "Clojure", mime: "text/x-clojure", mode: "clojure", ext: ["clj", "cljc", "cljx"]},
		    {name: "ClojureScript", mime: "text/x-clojurescript", mode: "clojure", ext: ["cljs"]},
		    {name: "Closure Stylesheets (GSS)", mime: "text/x-gss", mode: "css", ext: ["gss"]},
		    {name: "CMake", mime: "text/x-cmake", mode: "cmake", ext: ["cmake", "cmake.in"], file: /^CMakeLists\.txt$/},
		    {name: "CoffeeScript", mimes: ["application/vnd.coffeescript", "text/coffeescript", "text/x-coffeescript"], mode: "coffeescript", ext: ["coffee"], alias: ["coffee", "coffee-script"]},
		    {name: "Common Lisp", mime: "text/x-common-lisp", mode: "commonlisp", ext: ["cl", "lisp", "el"], alias: ["lisp"]},
		    {name: "Cypher", mime: "application/x-cypher-query", mode: "cypher", ext: ["cyp", "cypher"]},
		    {name: "Cython", mime: "text/x-cython", mode: "python", ext: ["pyx", "pxd", "pxi"]},
		    {name: "Crystal", mime: "text/x-crystal", mode: "crystal", ext: ["cr"]},
		    {name: "CSS", mime: "text/css", mode: "css", ext: ["css"]},
		    {name: "CQL", mime: "text/x-cassandra", mode: "sql", ext: ["cql"]},
		    {name: "D", mime: "text/x-d", mode: "d", ext: ["d"]},
		    {name: "Dart", mimes: ["application/dart", "text/x-dart"], mode: "dart", ext: ["dart"]},
		    {name: "diff", mime: "text/x-diff", mode: "diff", ext: ["diff", "patch"]},
		    {name: "Django", mime: "text/x-django", mode: "django"},
		    {name: "Dockerfile", mime: "text/x-dockerfile", mode: "dockerfile", file: /^Dockerfile$/},
		    {name: "DTD", mime: "application/xml-dtd", mode: "dtd", ext: ["dtd"]},
		    {name: "Dylan", mime: "text/x-dylan", mode: "dylan", ext: ["dylan", "dyl", "intr"]},
		    {name: "EBNF", mime: "text/x-ebnf", mode: "ebnf"},
		    {name: "ECL", mime: "text/x-ecl", mode: "ecl", ext: ["ecl"]},
		    {name: "edn", mime: "application/edn", mode: "clojure", ext: ["edn"]},
		    {name: "Eiffel", mime: "text/x-eiffel", mode: "eiffel", ext: ["e"]},
		    {name: "Elm", mime: "text/x-elm", mode: "elm", ext: ["elm"]},
		    {name: "Embedded JavaScript", mime: "application/x-ejs", mode: "htmlembedded", ext: ["ejs"]},
		    {name: "Embedded Ruby", mime: "application/x-erb", mode: "htmlembedded", ext: ["erb"]},
		    {name: "Erlang", mime: "text/x-erlang", mode: "erlang", ext: ["erl"]},
		    {name: "Esper", mime: "text/x-esper", mode: "sql"},
		    {name: "Factor", mime: "text/x-factor", mode: "factor", ext: ["factor"]},
		    {name: "FCL", mime: "text/x-fcl", mode: "fcl"},
		    {name: "Forth", mime: "text/x-forth", mode: "forth", ext: ["forth", "fth", "4th"]},
		    {name: "Fortran", mime: "text/x-fortran", mode: "fortran", ext: ["f", "for", "f77", "f90", "f95"]},
		    {name: "F#", mime: "text/x-fsharp", mode: "mllike", ext: ["fs"], alias: ["fsharp"]},
		    {name: "Gas", mime: "text/x-gas", mode: "gas", ext: ["s"]},
		    {name: "Gherkin", mime: "text/x-feature", mode: "gherkin", ext: ["feature"]},
		    {name: "GitHub Flavored Markdown", mime: "text/x-gfm", mode: "gfm", file: /^(readme|contributing|history)\.md$/i},
		    {name: "Go", mime: "text/x-go", mode: "go", ext: ["go"]},
		    {name: "Groovy", mime: "text/x-groovy", mode: "groovy", ext: ["groovy", "gradle"], file: /^Jenkinsfile$/},
		    {name: "HAML", mime: "text/x-haml", mode: "haml", ext: ["haml"]},
		    {name: "Haskell", mime: "text/x-haskell", mode: "haskell", ext: ["hs"]},
		    {name: "Haskell (Literate)", mime: "text/x-literate-haskell", mode: "haskell-literate", ext: ["lhs"]},
		    {name: "Haxe", mime: "text/x-haxe", mode: "haxe", ext: ["hx"]},
		    {name: "HXML", mime: "text/x-hxml", mode: "haxe", ext: ["hxml"]},
		    {name: "ASP.NET", mime: "application/x-aspx", mode: "htmlembedded", ext: ["aspx"], alias: ["asp", "aspx"]},
		    {name: "HTML", mime: "text/html", mode: "htmlmixed", ext: ["html", "htm", "handlebars", "hbs"], alias: ["xhtml"]},
		    {name: "HTTP", mime: "message/http", mode: "http"},
		    {name: "IDL", mime: "text/x-idl", mode: "idl", ext: ["pro"]},
		    {name: "Pug", mime: "text/x-pug", mode: "pug", ext: ["jade", "pug"], alias: ["jade"]},
		    {name: "Java", mime: "text/x-java", mode: "clike", ext: ["java"]},
		    {name: "Java Server Pages", mime: "application/x-jsp", mode: "htmlembedded", ext: ["jsp"], alias: ["jsp"]},
		    {name: "JavaScript", mimes: ["text/javascript", "text/ecmascript", "application/javascript", "application/x-javascript", "application/ecmascript"],
		     mode: "javascript", ext: ["js"], alias: ["ecmascript", "js", "node"]},
		    {name: "JSON", mimes: ["application/json", "application/x-json"], mode: "javascript", ext: ["json", "map"], alias: ["json5"]},
		    {name: "JSON-LD", mime: "application/ld+json", mode: "javascript", ext: ["jsonld"], alias: ["jsonld"]},
		    {name: "JSX", mime: "text/jsx", mode: "jsx", ext: ["jsx"]},
		    {name: "Jinja2", mime: "text/jinja2", mode: "jinja2", ext: ["j2", "jinja", "jinja2"]},
		    {name: "Julia", mime: "text/x-julia", mode: "julia", ext: ["jl"], alias: ["jl"]},
		    {name: "Kotlin", mime: "text/x-kotlin", mode: "clike", ext: ["kt"]},
		    {name: "LESS", mime: "text/x-less", mode: "css", ext: ["less"]},
		    {name: "LiveScript", mime: "text/x-livescript", mode: "livescript", ext: ["ls"], alias: ["ls"]},
		    {name: "Lua", mime: "text/x-lua", mode: "lua", ext: ["lua"]},
		    {name: "Markdown", mime: "text/x-markdown", mode: "markdown", ext: ["markdown", "md", "mkd"]},
		    {name: "mIRC", mime: "text/mirc", mode: "mirc"},
		    {name: "MariaDB SQL", mime: "text/x-mariadb", mode: "sql"},
		    {name: "Mathematica", mime: "text/x-mathematica", mode: "mathematica", ext: ["m", "nb", "wl", "wls"]},
		    {name: "Modelica", mime: "text/x-modelica", mode: "modelica", ext: ["mo"]},
		    {name: "MUMPS", mime: "text/x-mumps", mode: "mumps", ext: ["mps"]},
		    {name: "MS SQL", mime: "text/x-mssql", mode: "sql"},
		    {name: "mbox", mime: "application/mbox", mode: "mbox", ext: ["mbox"]},
		    {name: "MySQL", mime: "text/x-mysql", mode: "sql"},
		    {name: "Nginx", mime: "text/x-nginx-conf", mode: "nginx", file: /nginx.*\.conf$/i},
		    {name: "NSIS", mime: "text/x-nsis", mode: "nsis", ext: ["nsh", "nsi"]},
		    {name: "NTriples", mimes: ["application/n-triples", "application/n-quads", "text/n-triples"],
		     mode: "ntriples", ext: ["nt", "nq"]},
		    {name: "Objective-C", mime: "text/x-objectivec", mode: "clike", ext: ["m"], alias: ["objective-c", "objc"]},
		    {name: "Objective-C++", mime: "text/x-objectivec++", mode: "clike", ext: ["mm"], alias: ["objective-c++", "objc++"]},
		    {name: "OCaml", mime: "text/x-ocaml", mode: "mllike", ext: ["ml", "mli", "mll", "mly"]},
		    {name: "Octave", mime: "text/x-octave", mode: "octave", ext: ["m"]},
		    {name: "Oz", mime: "text/x-oz", mode: "oz", ext: ["oz"]},
		    {name: "Pascal", mime: "text/x-pascal", mode: "pascal", ext: ["p", "pas"]},
		    {name: "PEG.js", mime: "null", mode: "pegjs", ext: ["jsonld"]},
		    {name: "Perl", mime: "text/x-perl", mode: "perl", ext: ["pl", "pm"]},
		    {name: "PHP", mimes: ["text/x-php", "application/x-httpd-php", "application/x-httpd-php-open"], mode: "php", ext: ["php", "php3", "php4", "php5", "php7", "phtml"]},
		    {name: "Pig", mime: "text/x-pig", mode: "pig", ext: ["pig"]},
		    {name: "Plain Text", mime: "text/plain", mode: "null", ext: ["txt", "text", "conf", "def", "list", "log"]},
		    {name: "PLSQL", mime: "text/x-plsql", mode: "sql", ext: ["pls"]},
		    {name: "PostgreSQL", mime: "text/x-pgsql", mode: "sql"},
		    {name: "PowerShell", mime: "application/x-powershell", mode: "powershell", ext: ["ps1", "psd1", "psm1"]},
		    {name: "Properties files", mime: "text/x-properties", mode: "properties", ext: ["properties", "ini", "in"], alias: ["ini", "properties"]},
		    {name: "ProtoBuf", mime: "text/x-protobuf", mode: "protobuf", ext: ["proto"]},
		    {name: "Python", mime: "text/x-python", mode: "python", ext: ["BUILD", "bzl", "py", "pyw"], file: /^(BUCK|BUILD)$/},
		    {name: "Puppet", mime: "text/x-puppet", mode: "puppet", ext: ["pp"]},
		    {name: "Q", mime: "text/x-q", mode: "q", ext: ["q"]},
		    {name: "R", mime: "text/x-rsrc", mode: "r", ext: ["r", "R"], alias: ["rscript"]},
		    {name: "reStructuredText", mime: "text/x-rst", mode: "rst", ext: ["rst"], alias: ["rst"]},
		    {name: "RPM Changes", mime: "text/x-rpm-changes", mode: "rpm"},
		    {name: "RPM Spec", mime: "text/x-rpm-spec", mode: "rpm", ext: ["spec"]},
		    {name: "Ruby", mime: "text/x-ruby", mode: "ruby", ext: ["rb"], alias: ["jruby", "macruby", "rake", "rb", "rbx"]},
		    {name: "Rust", mime: "text/x-rustsrc", mode: "rust", ext: ["rs"]},
		    {name: "SAS", mime: "text/x-sas", mode: "sas", ext: ["sas"]},
		    {name: "Sass", mime: "text/x-sass", mode: "sass", ext: ["sass"]},
		    {name: "Scala", mime: "text/x-scala", mode: "clike", ext: ["scala"]},
		    {name: "Scheme", mime: "text/x-scheme", mode: "scheme", ext: ["scm", "ss"]},
		    {name: "SCSS", mime: "text/x-scss", mode: "css", ext: ["scss"]},
		    {name: "Shell", mimes: ["text/x-sh", "application/x-sh"], mode: "shell", ext: ["sh", "ksh", "bash"], alias: ["bash", "sh", "zsh"], file: /^PKGBUILD$/},
		    {name: "Sieve", mime: "application/sieve", mode: "sieve", ext: ["siv", "sieve"]},
		    {name: "Slim", mimes: ["text/x-slim", "application/x-slim"], mode: "slim", ext: ["slim"]},
		    {name: "Smalltalk", mime: "text/x-stsrc", mode: "smalltalk", ext: ["st"]},
		    {name: "Smarty", mime: "text/x-smarty", mode: "smarty", ext: ["tpl"]},
		    {name: "Solr", mime: "text/x-solr", mode: "solr"},
		    {name: "SML", mime: "text/x-sml", mode: "mllike", ext: ["sml", "sig", "fun", "smackspec"]},
		    {name: "Soy", mime: "text/x-soy", mode: "soy", ext: ["soy"], alias: ["closure template"]},
		    {name: "SPARQL", mime: "application/sparql-query", mode: "sparql", ext: ["rq", "sparql"], alias: ["sparul"]},
		    {name: "Spreadsheet", mime: "text/x-spreadsheet", mode: "spreadsheet", alias: ["excel", "formula"]},
		    {name: "SQL", mime: "text/x-sql", mode: "sql", ext: ["sql"]},
		    {name: "SQLite", mime: "text/x-sqlite", mode: "sql"},
		    {name: "Squirrel", mime: "text/x-squirrel", mode: "clike", ext: ["nut"]},
		    {name: "Stylus", mime: "text/x-styl", mode: "stylus", ext: ["styl"]},
		    {name: "Swift", mime: "text/x-swift", mode: "swift", ext: ["swift"]},
		    {name: "sTeX", mime: "text/x-stex", mode: "stex"},
		    {name: "LaTeX", mime: "text/x-latex", mode: "stex", ext: ["text", "ltx", "tex"], alias: ["tex"]},
		    {name: "SystemVerilog", mime: "text/x-systemverilog", mode: "verilog", ext: ["v", "sv", "svh"]},
		    {name: "Tcl", mime: "text/x-tcl", mode: "tcl", ext: ["tcl"]},
		    {name: "Textile", mime: "text/x-textile", mode: "textile", ext: ["textile"]},
		    {name: "TiddlyWiki", mime: "text/x-tiddlywiki", mode: "tiddlywiki"},
		    {name: "Tiki wiki", mime: "text/tiki", mode: "tiki"},
		    {name: "TOML", mime: "text/x-toml", mode: "toml", ext: ["toml"]},
		    {name: "Tornado", mime: "text/x-tornado", mode: "tornado"},
		    {name: "troff", mime: "text/troff", mode: "troff", ext: ["1", "2", "3", "4", "5", "6", "7", "8", "9"]},
		    {name: "TTCN", mime: "text/x-ttcn", mode: "ttcn", ext: ["ttcn", "ttcn3", "ttcnpp"]},
		    {name: "TTCN_CFG", mime: "text/x-ttcn-cfg", mode: "ttcn-cfg", ext: ["cfg"]},
		    {name: "Turtle", mime: "text/turtle", mode: "turtle", ext: ["ttl"]},
		    {name: "TypeScript", mime: "application/typescript", mode: "javascript", ext: ["ts"], alias: ["ts"]},
		    {name: "TypeScript-JSX", mime: "text/typescript-jsx", mode: "jsx", ext: ["tsx"], alias: ["tsx"]},
		    {name: "Twig", mime: "text/x-twig", mode: "twig"},
		    {name: "Web IDL", mime: "text/x-webidl", mode: "webidl", ext: ["webidl"]},
		    {name: "VB.NET", mime: "text/x-vb", mode: "vb", ext: ["vb"]},
		    {name: "VBScript", mime: "text/vbscript", mode: "vbscript", ext: ["vbs"]},
		    {name: "Velocity", mime: "text/velocity", mode: "velocity", ext: ["vtl"]},
		    {name: "Verilog", mime: "text/x-verilog", mode: "verilog", ext: ["v"]},
		    {name: "VHDL", mime: "text/x-vhdl", mode: "vhdl", ext: ["vhd", "vhdl"]},
		    {name: "Vue.js Component", mimes: ["script/x-vue", "text/x-vue"], mode: "vue", ext: ["vue"]},
		    {name: "XML", mimes: ["application/xml", "text/xml"], mode: "xml", ext: ["xml", "xsl", "xsd", "svg"], alias: ["rss", "wsdl", "xsd"]},
		    {name: "XQuery", mime: "application/xquery", mode: "xquery", ext: ["xy", "xquery"]},
		    {name: "Yacas", mime: "text/x-yacas", mode: "yacas", ext: ["ys"]},
		    {name: "YAML", mimes: ["text/x-yaml", "text/yaml"], mode: "yaml", ext: ["yaml", "yml"], alias: ["yml"]},
		    {name: "Z80", mime: "text/x-z80", mode: "z80", ext: ["z80"]},
		    {name: "mscgen", mime: "text/x-mscgen", mode: "mscgen", ext: ["mscgen", "mscin", "msc"]},
		    {name: "xu", mime: "text/x-xu", mode: "mscgen", ext: ["xu"]},
		    {name: "msgenny", mime: "text/x-msgenny", mode: "mscgen", ext: ["msgenny"]},
		    {name: "WebAssembly", mime: "text/webassembly", mode: "wast", ext: ["wat", "wast"]},
		  ];
		  // Ensure all modes have a mime property for backwards compatibility
		  for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
		    var info = CodeMirror.modeInfo[i];
		    if (info.mimes) info.mime = info.mimes[0];
		  }

		  CodeMirror.findModeByMIME = function(mime) {
		    mime = mime.toLowerCase();
		    for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
		      var info = CodeMirror.modeInfo[i];
		      if (info.mime == mime) return info;
		      if (info.mimes) for (var j = 0; j < info.mimes.length; j++)
		        if (info.mimes[j] == mime) return info;
		    }
		    if (/\+xml$/.test(mime)) return CodeMirror.findModeByMIME("application/xml")
		    if (/\+json$/.test(mime)) return CodeMirror.findModeByMIME("application/json")
		  };

		  CodeMirror.findModeByExtension = function(ext) {
		    ext = ext.toLowerCase();
		    for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
		      var info = CodeMirror.modeInfo[i];
		      if (info.ext) for (var j = 0; j < info.ext.length; j++)
		        if (info.ext[j] == ext) return info;
		    }
		  };

		  CodeMirror.findModeByFileName = function(filename) {
		    for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
		      var info = CodeMirror.modeInfo[i];
		      if (info.file && info.file.test(filename)) return info;
		    }
		    var dot = filename.lastIndexOf(".");
		    var ext = dot > -1 && filename.substring(dot + 1, filename.length);
		    if (ext) return CodeMirror.findModeByExtension(ext);
		  };

		  CodeMirror.findModeByName = function(name) {
		    name = name.toLowerCase();
		    for (var i = 0; i < CodeMirror.modeInfo.length; i++) {
		      var info = CodeMirror.modeInfo[i];
		      if (info.name.toLowerCase() == name) return info;
		      if (info.alias) for (var j = 0; j < info.alias.length; j++)
		        if (info.alias[j].toLowerCase() == name) return info;
		    }
		  };
		}); 
	} ());
	return meta.exports;
}
/* Injected with object hook! */

var hasRequiredMarkdown;

function requireMarkdown () {
	if (hasRequiredMarkdown) return markdown.exports;
	hasRequiredMarkdown = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror(), requireXml(), requireMeta());
		})(function(CodeMirror) {

		CodeMirror.defineMode("markdown", function(cmCfg, modeCfg) {

		  var htmlMode = CodeMirror.getMode(cmCfg, "text/html");
		  var htmlModeMissing = htmlMode.name == "null";

		  function getMode(name) {
		    if (CodeMirror.findModeByName) {
		      var found = CodeMirror.findModeByName(name);
		      if (found) name = found.mime || found.mimes[0];
		    }
		    var mode = CodeMirror.getMode(cmCfg, name);
		    return mode.name == "null" ? null : mode;
		  }

		  // Should characters that affect highlighting be highlighted separate?
		  // Does not include characters that will be output (such as `1.` and `-` for lists)
		  if (modeCfg.highlightFormatting === undefined)
		    modeCfg.highlightFormatting = false;

		  // Maximum number of nested blockquotes. Set to 0 for infinite nesting.
		  // Excess `>` will emit `error` token.
		  if (modeCfg.maxBlockquoteDepth === undefined)
		    modeCfg.maxBlockquoteDepth = 0;

		  // Turn on task lists? ("- [ ] " and "- [x] ")
		  if (modeCfg.taskLists === undefined) modeCfg.taskLists = false;

		  // Turn on strikethrough syntax
		  if (modeCfg.strikethrough === undefined)
		    modeCfg.strikethrough = false;

		  if (modeCfg.emoji === undefined)
		    modeCfg.emoji = false;

		  if (modeCfg.fencedCodeBlockHighlighting === undefined)
		    modeCfg.fencedCodeBlockHighlighting = true;

		  if (modeCfg.fencedCodeBlockDefaultMode === undefined)
		    modeCfg.fencedCodeBlockDefaultMode = 'text/plain';

		  if (modeCfg.xml === undefined)
		    modeCfg.xml = true;

		  // Allow token types to be overridden by user-provided token types.
		  if (modeCfg.tokenTypeOverrides === undefined)
		    modeCfg.tokenTypeOverrides = {};

		  var tokenTypes = {
		    header: "header",
		    code: "comment",
		    quote: "quote",
		    list1: "variable-2",
		    list2: "variable-3",
		    list3: "keyword",
		    hr: "hr",
		    image: "image",
		    imageAltText: "image-alt-text",
		    imageMarker: "image-marker",
		    formatting: "formatting",
		    linkInline: "link",
		    linkEmail: "link",
		    linkText: "link",
		    linkHref: "string",
		    em: "em",
		    strong: "strong",
		    strikethrough: "strikethrough",
		    emoji: "builtin"
		  };

		  for (var tokenType in tokenTypes) {
		    if (tokenTypes.hasOwnProperty(tokenType) && modeCfg.tokenTypeOverrides[tokenType]) {
		      tokenTypes[tokenType] = modeCfg.tokenTypeOverrides[tokenType];
		    }
		  }

		  var hrRE = /^([*\-_])(?:\s*\1){2,}\s*$/
		  ,   listRE = /^(?:[*\-+]|^[0-9]+([.)]))\s+/
		  ,   taskListRE = /^\[(x| )\](?=\s)/i // Must follow listRE
		  ,   atxHeaderRE = modeCfg.allowAtxHeaderWithoutSpace ? /^(#+)/ : /^(#+)(?: |$)/
		  ,   setextHeaderRE = /^ {0,3}(?:\={1,}|-{2,})\s*$/
		  ,   textRE = /^[^#!\[\]*_\\<>` "'(~:]+/
		  ,   fencedCodeRE = /^(~~~+|```+)[ \t]*([\w\/+#-]*)[^\n`]*$/
		  ,   linkDefRE = /^\s*\[[^\]]+?\]:.*$/ // naive link-definition
		  ,   punctuation = /[!"#$%&'()*+,\-.\/:;<=>?@\[\\\]^_`{|}~\xA1\xA7\xAB\xB6\xB7\xBB\xBF\u037E\u0387\u055A-\u055F\u0589\u058A\u05BE\u05C0\u05C3\u05C6\u05F3\u05F4\u0609\u060A\u060C\u060D\u061B\u061E\u061F\u066A-\u066D\u06D4\u0700-\u070D\u07F7-\u07F9\u0830-\u083E\u085E\u0964\u0965\u0970\u0AF0\u0DF4\u0E4F\u0E5A\u0E5B\u0F04-\u0F12\u0F14\u0F3A-\u0F3D\u0F85\u0FD0-\u0FD4\u0FD9\u0FDA\u104A-\u104F\u10FB\u1360-\u1368\u1400\u166D\u166E\u169B\u169C\u16EB-\u16ED\u1735\u1736\u17D4-\u17D6\u17D8-\u17DA\u1800-\u180A\u1944\u1945\u1A1E\u1A1F\u1AA0-\u1AA6\u1AA8-\u1AAD\u1B5A-\u1B60\u1BFC-\u1BFF\u1C3B-\u1C3F\u1C7E\u1C7F\u1CC0-\u1CC7\u1CD3\u2010-\u2027\u2030-\u2043\u2045-\u2051\u2053-\u205E\u207D\u207E\u208D\u208E\u2308-\u230B\u2329\u232A\u2768-\u2775\u27C5\u27C6\u27E6-\u27EF\u2983-\u2998\u29D8-\u29DB\u29FC\u29FD\u2CF9-\u2CFC\u2CFE\u2CFF\u2D70\u2E00-\u2E2E\u2E30-\u2E42\u3001-\u3003\u3008-\u3011\u3014-\u301F\u3030\u303D\u30A0\u30FB\uA4FE\uA4FF\uA60D-\uA60F\uA673\uA67E\uA6F2-\uA6F7\uA874-\uA877\uA8CE\uA8CF\uA8F8-\uA8FA\uA8FC\uA92E\uA92F\uA95F\uA9C1-\uA9CD\uA9DE\uA9DF\uAA5C-\uAA5F\uAADE\uAADF\uAAF0\uAAF1\uABEB\uFD3E\uFD3F\uFE10-\uFE19\uFE30-\uFE52\uFE54-\uFE61\uFE63\uFE68\uFE6A\uFE6B\uFF01-\uFF03\uFF05-\uFF0A\uFF0C-\uFF0F\uFF1A\uFF1B\uFF1F\uFF20\uFF3B-\uFF3D\uFF3F\uFF5B\uFF5D\uFF5F-\uFF65]|\uD800[\uDD00-\uDD02\uDF9F\uDFD0]|\uD801\uDD6F|\uD802[\uDC57\uDD1F\uDD3F\uDE50-\uDE58\uDE7F\uDEF0-\uDEF6\uDF39-\uDF3F\uDF99-\uDF9C]|\uD804[\uDC47-\uDC4D\uDCBB\uDCBC\uDCBE-\uDCC1\uDD40-\uDD43\uDD74\uDD75\uDDC5-\uDDC9\uDDCD\uDDDB\uDDDD-\uDDDF\uDE38-\uDE3D\uDEA9]|\uD805[\uDCC6\uDDC1-\uDDD7\uDE41-\uDE43\uDF3C-\uDF3E]|\uD809[\uDC70-\uDC74]|\uD81A[\uDE6E\uDE6F\uDEF5\uDF37-\uDF3B\uDF44]|\uD82F\uDC9F|\uD836[\uDE87-\uDE8B]/
		  ,   expandedTab = "    "; // CommonMark specifies tab as 4 spaces

		  function switchInline(stream, state, f) {
		    state.f = state.inline = f;
		    return f(stream, state);
		  }

		  function switchBlock(stream, state, f) {
		    state.f = state.block = f;
		    return f(stream, state);
		  }

		  function lineIsEmpty(line) {
		    return !line || !/\S/.test(line.string)
		  }

		  // Blocks

		  function blankLine(state) {
		    // Reset linkTitle state
		    state.linkTitle = false;
		    state.linkHref = false;
		    state.linkText = false;
		    // Reset EM state
		    state.em = false;
		    // Reset STRONG state
		    state.strong = false;
		    // Reset strikethrough state
		    state.strikethrough = false;
		    // Reset state.quote
		    state.quote = 0;
		    // Reset state.indentedCode
		    state.indentedCode = false;
		    if (state.f == htmlBlock) {
		      var exit = htmlModeMissing;
		      if (!exit) {
		        var inner = CodeMirror.innerMode(htmlMode, state.htmlState);
		        exit = inner.mode.name == "xml" && inner.state.tagStart === null &&
		          (!inner.state.context && inner.state.tokenize.isInText);
		      }
		      if (exit) {
		        state.f = inlineNormal;
		        state.block = blockNormal;
		        state.htmlState = null;
		      }
		    }
		    // Reset state.trailingSpace
		    state.trailingSpace = 0;
		    state.trailingSpaceNewLine = false;
		    // Mark this line as blank
		    state.prevLine = state.thisLine;
		    state.thisLine = {stream: null};
		    return null;
		  }

		  function blockNormal(stream, state) {
		    var firstTokenOnLine = stream.column() === state.indentation;
		    var prevLineLineIsEmpty = lineIsEmpty(state.prevLine.stream);
		    var prevLineIsIndentedCode = state.indentedCode;
		    var prevLineIsHr = state.prevLine.hr;
		    var prevLineIsList = state.list !== false;
		    var maxNonCodeIndentation = (state.listStack[state.listStack.length - 1] || 0) + 3;

		    state.indentedCode = false;

		    var lineIndentation = state.indentation;
		    // compute once per line (on first token)
		    if (state.indentationDiff === null) {
		      state.indentationDiff = state.indentation;
		      if (prevLineIsList) {
		        state.list = null;
		        // While this list item's marker's indentation is less than the deepest
		        //  list item's content's indentation,pop the deepest list item
		        //  indentation off the stack, and update block indentation state
		        while (lineIndentation < state.listStack[state.listStack.length - 1]) {
		          state.listStack.pop();
		          if (state.listStack.length) {
		            state.indentation = state.listStack[state.listStack.length - 1];
		          // less than the first list's indent -> the line is no longer a list
		          } else {
		            state.list = false;
		          }
		        }
		        if (state.list !== false) {
		          state.indentationDiff = lineIndentation - state.listStack[state.listStack.length - 1];
		        }
		      }
		    }

		    // not comprehensive (currently only for setext detection purposes)
		    var allowsInlineContinuation = (
		        !prevLineLineIsEmpty && !prevLineIsHr && !state.prevLine.header &&
		        (!prevLineIsList || !prevLineIsIndentedCode) &&
		        !state.prevLine.fencedCodeEnd
		    );

		    var isHr = (state.list === false || prevLineIsHr || prevLineLineIsEmpty) &&
		      state.indentation <= maxNonCodeIndentation && stream.match(hrRE);

		    var match = null;
		    if (state.indentationDiff >= 4 && (prevLineIsIndentedCode || state.prevLine.fencedCodeEnd ||
		         state.prevLine.header || prevLineLineIsEmpty)) {
		      stream.skipToEnd();
		      state.indentedCode = true;
		      return tokenTypes.code;
		    } else if (stream.eatSpace()) {
		      return null;
		    } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(atxHeaderRE)) && match[1].length <= 6) {
		      state.quote = 0;
		      state.header = match[1].length;
		      state.thisLine.header = true;
		      if (modeCfg.highlightFormatting) state.formatting = "header";
		      state.f = state.inline;
		      return getType(state);
		    } else if (state.indentation <= maxNonCodeIndentation && stream.eat('>')) {
		      state.quote = firstTokenOnLine ? 1 : state.quote + 1;
		      if (modeCfg.highlightFormatting) state.formatting = "quote";
		      stream.eatSpace();
		      return getType(state);
		    } else if (!isHr && !state.setext && firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(listRE))) {
		      var listType = match[1] ? "ol" : "ul";

		      state.indentation = lineIndentation + stream.current().length;
		      state.list = true;
		      state.quote = 0;

		      // Add this list item's content's indentation to the stack
		      state.listStack.push(state.indentation);
		      // Reset inline styles which shouldn't propagate across list items
		      state.em = false;
		      state.strong = false;
		      state.code = false;
		      state.strikethrough = false;

		      if (modeCfg.taskLists && stream.match(taskListRE, false)) {
		        state.taskList = true;
		      }
		      state.f = state.inline;
		      if (modeCfg.highlightFormatting) state.formatting = ["list", "list-" + listType];
		      return getType(state);
		    } else if (firstTokenOnLine && state.indentation <= maxNonCodeIndentation && (match = stream.match(fencedCodeRE, true))) {
		      state.quote = 0;
		      state.fencedEndRE = new RegExp(match[1] + "+ *$");
		      // try switching mode
		      state.localMode = modeCfg.fencedCodeBlockHighlighting && getMode(match[2] || modeCfg.fencedCodeBlockDefaultMode );
		      if (state.localMode) state.localState = CodeMirror.startState(state.localMode);
		      state.f = state.block = local;
		      if (modeCfg.highlightFormatting) state.formatting = "code-block";
		      state.code = -1;
		      return getType(state);
		    // SETEXT has lowest block-scope precedence after HR, so check it after
		    //  the others (code, blockquote, list...)
		    } else if (
		      // if setext set, indicates line after ---/===
		      state.setext || (
		        // line before ---/===
		        (!allowsInlineContinuation || !prevLineIsList) && !state.quote && state.list === false &&
		        !state.code && !isHr && !linkDefRE.test(stream.string) &&
		        (match = stream.lookAhead(1)) && (match = match.match(setextHeaderRE))
		      )
		    ) {
		      if ( !state.setext ) {
		        state.header = match[0].charAt(0) == '=' ? 1 : 2;
		        state.setext = state.header;
		      } else {
		        state.header = state.setext;
		        // has no effect on type so we can reset it now
		        state.setext = 0;
		        stream.skipToEnd();
		        if (modeCfg.highlightFormatting) state.formatting = "header";
		      }
		      state.thisLine.header = true;
		      state.f = state.inline;
		      return getType(state);
		    } else if (isHr) {
		      stream.skipToEnd();
		      state.hr = true;
		      state.thisLine.hr = true;
		      return tokenTypes.hr;
		    } else if (stream.peek() === '[') {
		      return switchInline(stream, state, footnoteLink);
		    }

		    return switchInline(stream, state, state.inline);
		  }

		  function htmlBlock(stream, state) {
		    var style = htmlMode.token(stream, state.htmlState);
		    if (!htmlModeMissing) {
		      var inner = CodeMirror.innerMode(htmlMode, state.htmlState);
		      if ((inner.mode.name == "xml" && inner.state.tagStart === null &&
		           (!inner.state.context && inner.state.tokenize.isInText)) ||
		          (state.md_inside && stream.current().indexOf(">") > -1)) {
		        state.f = inlineNormal;
		        state.block = blockNormal;
		        state.htmlState = null;
		      }
		    }
		    return style;
		  }

		  function local(stream, state) {
		    var currListInd = state.listStack[state.listStack.length - 1] || 0;
		    var hasExitedList = state.indentation < currListInd;
		    var maxFencedEndInd = currListInd + 3;
		    if (state.fencedEndRE && state.indentation <= maxFencedEndInd && (hasExitedList || stream.match(state.fencedEndRE))) {
		      if (modeCfg.highlightFormatting) state.formatting = "code-block";
		      var returnType;
		      if (!hasExitedList) returnType = getType(state);
		      state.localMode = state.localState = null;
		      state.block = blockNormal;
		      state.f = inlineNormal;
		      state.fencedEndRE = null;
		      state.code = 0;
		      state.thisLine.fencedCodeEnd = true;
		      if (hasExitedList) return switchBlock(stream, state, state.block);
		      return returnType;
		    } else if (state.localMode) {
		      return state.localMode.token(stream, state.localState);
		    } else {
		      stream.skipToEnd();
		      return tokenTypes.code;
		    }
		  }

		  // Inline
		  function getType(state) {
		    var styles = [];

		    if (state.formatting) {
		      styles.push(tokenTypes.formatting);

		      if (typeof state.formatting === "string") state.formatting = [state.formatting];

		      for (var i = 0; i < state.formatting.length; i++) {
		        styles.push(tokenTypes.formatting + "-" + state.formatting[i]);

		        if (state.formatting[i] === "header") {
		          styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.header);
		        }

		        // Add `formatting-quote` and `formatting-quote-#` for blockquotes
		        // Add `error` instead if the maximum blockquote nesting depth is passed
		        if (state.formatting[i] === "quote") {
		          if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {
		            styles.push(tokenTypes.formatting + "-" + state.formatting[i] + "-" + state.quote);
		          } else {
		            styles.push("error");
		          }
		        }
		      }
		    }

		    if (state.taskOpen) {
		      styles.push("meta");
		      return styles.length ? styles.join(' ') : null;
		    }
		    if (state.taskClosed) {
		      styles.push("property");
		      return styles.length ? styles.join(' ') : null;
		    }

		    if (state.linkHref) {
		      styles.push(tokenTypes.linkHref, "url");
		    } else { // Only apply inline styles to non-url text
		      if (state.strong) { styles.push(tokenTypes.strong); }
		      if (state.em) { styles.push(tokenTypes.em); }
		      if (state.strikethrough) { styles.push(tokenTypes.strikethrough); }
		      if (state.emoji) { styles.push(tokenTypes.emoji); }
		      if (state.linkText) { styles.push(tokenTypes.linkText); }
		      if (state.code) { styles.push(tokenTypes.code); }
		      if (state.image) { styles.push(tokenTypes.image); }
		      if (state.imageAltText) { styles.push(tokenTypes.imageAltText, "link"); }
		      if (state.imageMarker) { styles.push(tokenTypes.imageMarker); }
		    }

		    if (state.header) { styles.push(tokenTypes.header, tokenTypes.header + "-" + state.header); }

		    if (state.quote) {
		      styles.push(tokenTypes.quote);

		      // Add `quote-#` where the maximum for `#` is modeCfg.maxBlockquoteDepth
		      if (!modeCfg.maxBlockquoteDepth || modeCfg.maxBlockquoteDepth >= state.quote) {
		        styles.push(tokenTypes.quote + "-" + state.quote);
		      } else {
		        styles.push(tokenTypes.quote + "-" + modeCfg.maxBlockquoteDepth);
		      }
		    }

		    if (state.list !== false) {
		      var listMod = (state.listStack.length - 1) % 3;
		      if (!listMod) {
		        styles.push(tokenTypes.list1);
		      } else if (listMod === 1) {
		        styles.push(tokenTypes.list2);
		      } else {
		        styles.push(tokenTypes.list3);
		      }
		    }

		    if (state.trailingSpaceNewLine) {
		      styles.push("trailing-space-new-line");
		    } else if (state.trailingSpace) {
		      styles.push("trailing-space-" + (state.trailingSpace % 2 ? "a" : "b"));
		    }

		    return styles.length ? styles.join(' ') : null;
		  }

		  function handleText(stream, state) {
		    if (stream.match(textRE, true)) {
		      return getType(state);
		    }
		    return undefined;
		  }

		  function inlineNormal(stream, state) {
		    var style = state.text(stream, state);
		    if (typeof style !== 'undefined')
		      return style;

		    if (state.list) { // List marker (*, +, -, 1., etc)
		      state.list = null;
		      return getType(state);
		    }

		    if (state.taskList) {
		      var taskOpen = stream.match(taskListRE, true)[1] === " ";
		      if (taskOpen) state.taskOpen = true;
		      else state.taskClosed = true;
		      if (modeCfg.highlightFormatting) state.formatting = "task";
		      state.taskList = false;
		      return getType(state);
		    }

		    state.taskOpen = false;
		    state.taskClosed = false;

		    if (state.header && stream.match(/^#+$/, true)) {
		      if (modeCfg.highlightFormatting) state.formatting = "header";
		      return getType(state);
		    }

		    var ch = stream.next();

		    // Matches link titles present on next line
		    if (state.linkTitle) {
		      state.linkTitle = false;
		      var matchCh = ch;
		      if (ch === '(') {
		        matchCh = ')';
		      }
		      matchCh = (matchCh+'').replace(/([.?*+^\[\]\\(){}|-])/g, "\\$1");
		      var regex = '^\\s*(?:[^' + matchCh + '\\\\]+|\\\\\\\\|\\\\.)' + matchCh;
		      if (stream.match(new RegExp(regex), true)) {
		        return tokenTypes.linkHref;
		      }
		    }

		    // If this block is changed, it may need to be updated in GFM mode
		    if (ch === '`') {
		      var previousFormatting = state.formatting;
		      if (modeCfg.highlightFormatting) state.formatting = "code";
		      stream.eatWhile('`');
		      var count = stream.current().length;
		      if (state.code == 0 && (!state.quote || count == 1)) {
		        state.code = count;
		        return getType(state)
		      } else if (count == state.code) { // Must be exact
		        var t = getType(state);
		        state.code = 0;
		        return t
		      } else {
		        state.formatting = previousFormatting;
		        return getType(state)
		      }
		    } else if (state.code) {
		      return getType(state);
		    }

		    if (ch === '\\') {
		      stream.next();
		      if (modeCfg.highlightFormatting) {
		        var type = getType(state);
		        var formattingEscape = tokenTypes.formatting + "-escape";
		        return type ? type + " " + formattingEscape : formattingEscape;
		      }
		    }

		    if (ch === '!' && stream.match(/\[[^\]]*\] ?(?:\(|\[)/, false)) {
		      state.imageMarker = true;
		      state.image = true;
		      if (modeCfg.highlightFormatting) state.formatting = "image";
		      return getType(state);
		    }

		    if (ch === '[' && state.imageMarker && stream.match(/[^\]]*\](\(.*?\)| ?\[.*?\])/, false)) {
		      state.imageMarker = false;
		      state.imageAltText = true;
		      if (modeCfg.highlightFormatting) state.formatting = "image";
		      return getType(state);
		    }

		    if (ch === ']' && state.imageAltText) {
		      if (modeCfg.highlightFormatting) state.formatting = "image";
		      var type = getType(state);
		      state.imageAltText = false;
		      state.image = false;
		      state.inline = state.f = linkHref;
		      return type;
		    }

		    if (ch === '[' && !state.image) {
		      if (state.linkText && stream.match(/^.*?\]/)) return getType(state)
		      state.linkText = true;
		      if (modeCfg.highlightFormatting) state.formatting = "link";
		      return getType(state);
		    }

		    if (ch === ']' && state.linkText) {
		      if (modeCfg.highlightFormatting) state.formatting = "link";
		      var type = getType(state);
		      state.linkText = false;
		      state.inline = state.f = stream.match(/\(.*?\)| ?\[.*?\]/, false) ? linkHref : inlineNormal;
		      return type;
		    }

		    if (ch === '<' && stream.match(/^(https?|ftps?):\/\/(?:[^\\>]|\\.)+>/, false)) {
		      state.f = state.inline = linkInline;
		      if (modeCfg.highlightFormatting) state.formatting = "link";
		      var type = getType(state);
		      if (type){
		        type += " ";
		      } else {
		        type = "";
		      }
		      return type + tokenTypes.linkInline;
		    }

		    if (ch === '<' && stream.match(/^[^> \\]+@(?:[^\\>]|\\.)+>/, false)) {
		      state.f = state.inline = linkInline;
		      if (modeCfg.highlightFormatting) state.formatting = "link";
		      var type = getType(state);
		      if (type){
		        type += " ";
		      } else {
		        type = "";
		      }
		      return type + tokenTypes.linkEmail;
		    }

		    if (modeCfg.xml && ch === '<' && stream.match(/^(!--|\?|!\[CDATA\[|[a-z][a-z0-9-]*(?:\s+[a-z_:.\-]+(?:\s*=\s*[^>]+)?)*\s*(?:>|$))/i, false)) {
		      var end = stream.string.indexOf(">", stream.pos);
		      if (end != -1) {
		        var atts = stream.string.substring(stream.start, end);
		        if (/markdown\s*=\s*('|"){0,1}1('|"){0,1}/.test(atts)) state.md_inside = true;
		      }
		      stream.backUp(1);
		      state.htmlState = CodeMirror.startState(htmlMode);
		      return switchBlock(stream, state, htmlBlock);
		    }

		    if (modeCfg.xml && ch === '<' && stream.match(/^\/\w*?>/)) {
		      state.md_inside = false;
		      return "tag";
		    } else if (ch === "*" || ch === "_") {
		      var len = 1, before = stream.pos == 1 ? " " : stream.string.charAt(stream.pos - 2);
		      while (len < 3 && stream.eat(ch)) len++;
		      var after = stream.peek() || " ";
		      // See http://spec.commonmark.org/0.27/#emphasis-and-strong-emphasis
		      var leftFlanking = !/\s/.test(after) && (!punctuation.test(after) || /\s/.test(before) || punctuation.test(before));
		      var rightFlanking = !/\s/.test(before) && (!punctuation.test(before) || /\s/.test(after) || punctuation.test(after));
		      var setEm = null, setStrong = null;
		      if (len % 2) { // Em
		        if (!state.em && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))
		          setEm = true;
		        else if (state.em == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))
		          setEm = false;
		      }
		      if (len > 1) { // Strong
		        if (!state.strong && leftFlanking && (ch === "*" || !rightFlanking || punctuation.test(before)))
		          setStrong = true;
		        else if (state.strong == ch && rightFlanking && (ch === "*" || !leftFlanking || punctuation.test(after)))
		          setStrong = false;
		      }
		      if (setStrong != null || setEm != null) {
		        if (modeCfg.highlightFormatting) state.formatting = setEm == null ? "strong" : setStrong == null ? "em" : "strong em";
		        if (setEm === true) state.em = ch;
		        if (setStrong === true) state.strong = ch;
		        var t = getType(state);
		        if (setEm === false) state.em = false;
		        if (setStrong === false) state.strong = false;
		        return t
		      }
		    } else if (ch === ' ') {
		      if (stream.eat('*') || stream.eat('_')) { // Probably surrounded by spaces
		        if (stream.peek() === ' ') { // Surrounded by spaces, ignore
		          return getType(state);
		        } else { // Not surrounded by spaces, back up pointer
		          stream.backUp(1);
		        }
		      }
		    }

		    if (modeCfg.strikethrough) {
		      if (ch === '~' && stream.eatWhile(ch)) {
		        if (state.strikethrough) {// Remove strikethrough
		          if (modeCfg.highlightFormatting) state.formatting = "strikethrough";
		          var t = getType(state);
		          state.strikethrough = false;
		          return t;
		        } else if (stream.match(/^[^\s]/, false)) {// Add strikethrough
		          state.strikethrough = true;
		          if (modeCfg.highlightFormatting) state.formatting = "strikethrough";
		          return getType(state);
		        }
		      } else if (ch === ' ') {
		        if (stream.match('~~', true)) { // Probably surrounded by space
		          if (stream.peek() === ' ') { // Surrounded by spaces, ignore
		            return getType(state);
		          } else { // Not surrounded by spaces, back up pointer
		            stream.backUp(2);
		          }
		        }
		      }
		    }

		    if (modeCfg.emoji && ch === ":" && stream.match(/^(?:[a-z_\d+][a-z_\d+-]*|\-[a-z_\d+][a-z_\d+-]*):/)) {
		      state.emoji = true;
		      if (modeCfg.highlightFormatting) state.formatting = "emoji";
		      var retType = getType(state);
		      state.emoji = false;
		      return retType;
		    }

		    if (ch === ' ') {
		      if (stream.match(/^ +$/, false)) {
		        state.trailingSpace++;
		      } else if (state.trailingSpace) {
		        state.trailingSpaceNewLine = true;
		      }
		    }

		    return getType(state);
		  }

		  function linkInline(stream, state) {
		    var ch = stream.next();

		    if (ch === ">") {
		      state.f = state.inline = inlineNormal;
		      if (modeCfg.highlightFormatting) state.formatting = "link";
		      var type = getType(state);
		      if (type){
		        type += " ";
		      } else {
		        type = "";
		      }
		      return type + tokenTypes.linkInline;
		    }

		    stream.match(/^[^>]+/, true);

		    return tokenTypes.linkInline;
		  }

		  function linkHref(stream, state) {
		    // Check if space, and return NULL if so (to avoid marking the space)
		    if(stream.eatSpace()){
		      return null;
		    }
		    var ch = stream.next();
		    if (ch === '(' || ch === '[') {
		      state.f = state.inline = getLinkHrefInside(ch === "(" ? ")" : "]");
		      if (modeCfg.highlightFormatting) state.formatting = "link-string";
		      state.linkHref = true;
		      return getType(state);
		    }
		    return 'error';
		  }

		  var linkRE = {
		    ")": /^(?:[^\\\(\)]|\\.|\((?:[^\\\(\)]|\\.)*\))*?(?=\))/,
		    "]": /^(?:[^\\\[\]]|\\.|\[(?:[^\\\[\]]|\\.)*\])*?(?=\])/
		  };

		  function getLinkHrefInside(endChar) {
		    return function(stream, state) {
		      var ch = stream.next();

		      if (ch === endChar) {
		        state.f = state.inline = inlineNormal;
		        if (modeCfg.highlightFormatting) state.formatting = "link-string";
		        var returnState = getType(state);
		        state.linkHref = false;
		        return returnState;
		      }

		      stream.match(linkRE[endChar]);
		      state.linkHref = true;
		      return getType(state);
		    };
		  }

		  function footnoteLink(stream, state) {
		    if (stream.match(/^([^\]\\]|\\.)*\]:/, false)) {
		      state.f = footnoteLinkInside;
		      stream.next(); // Consume [
		      if (modeCfg.highlightFormatting) state.formatting = "link";
		      state.linkText = true;
		      return getType(state);
		    }
		    return switchInline(stream, state, inlineNormal);
		  }

		  function footnoteLinkInside(stream, state) {
		    if (stream.match(']:', true)) {
		      state.f = state.inline = footnoteUrl;
		      if (modeCfg.highlightFormatting) state.formatting = "link";
		      var returnType = getType(state);
		      state.linkText = false;
		      return returnType;
		    }

		    stream.match(/^([^\]\\]|\\.)+/, true);

		    return tokenTypes.linkText;
		  }

		  function footnoteUrl(stream, state) {
		    // Check if space, and return NULL if so (to avoid marking the space)
		    if(stream.eatSpace()){
		      return null;
		    }
		    // Match URL
		    stream.match(/^[^\s]+/, true);
		    // Check for link title
		    if (stream.peek() === undefined) { // End of line, set flag to check next line
		      state.linkTitle = true;
		    } else { // More content on line, check if link title
		      stream.match(/^(?:\s+(?:"(?:[^"\\]|\\.)+"|'(?:[^'\\]|\\.)+'|\((?:[^)\\]|\\.)+\)))?/, true);
		    }
		    state.f = state.inline = inlineNormal;
		    return tokenTypes.linkHref + " url";
		  }

		  var mode = {
		    startState: function() {
		      return {
		        f: blockNormal,

		        prevLine: {stream: null},
		        thisLine: {stream: null},

		        block: blockNormal,
		        htmlState: null,
		        indentation: 0,

		        inline: inlineNormal,
		        text: handleText,

		        formatting: false,
		        linkText: false,
		        linkHref: false,
		        linkTitle: false,
		        code: 0,
		        em: false,
		        strong: false,
		        header: 0,
		        setext: 0,
		        hr: false,
		        taskList: false,
		        list: false,
		        listStack: [],
		        quote: 0,
		        trailingSpace: 0,
		        trailingSpaceNewLine: false,
		        strikethrough: false,
		        emoji: false,
		        fencedEndRE: null
		      };
		    },

		    copyState: function(s) {
		      return {
		        f: s.f,

		        prevLine: s.prevLine,
		        thisLine: s.thisLine,

		        block: s.block,
		        htmlState: s.htmlState && CodeMirror.copyState(htmlMode, s.htmlState),
		        indentation: s.indentation,

		        localMode: s.localMode,
		        localState: s.localMode ? CodeMirror.copyState(s.localMode, s.localState) : null,

		        inline: s.inline,
		        text: s.text,
		        formatting: false,
		        linkText: s.linkText,
		        linkTitle: s.linkTitle,
		        linkHref: s.linkHref,
		        code: s.code,
		        em: s.em,
		        strong: s.strong,
		        strikethrough: s.strikethrough,
		        emoji: s.emoji,
		        header: s.header,
		        setext: s.setext,
		        hr: s.hr,
		        taskList: s.taskList,
		        list: s.list,
		        listStack: s.listStack.slice(0),
		        quote: s.quote,
		        indentedCode: s.indentedCode,
		        trailingSpace: s.trailingSpace,
		        trailingSpaceNewLine: s.trailingSpaceNewLine,
		        md_inside: s.md_inside,
		        fencedEndRE: s.fencedEndRE
		      };
		    },

		    token: function(stream, state) {

		      // Reset state.formatting
		      state.formatting = false;

		      if (stream != state.thisLine.stream) {
		        state.header = 0;
		        state.hr = false;

		        if (stream.match(/^\s*$/, true)) {
		          blankLine(state);
		          return null;
		        }

		        state.prevLine = state.thisLine;
		        state.thisLine = {stream: stream};

		        // Reset state.taskList
		        state.taskList = false;

		        // Reset state.trailingSpace
		        state.trailingSpace = 0;
		        state.trailingSpaceNewLine = false;

		        if (!state.localState) {
		          state.f = state.block;
		          if (state.f != htmlBlock) {
		            var indentation = stream.match(/^\s*/, true)[0].replace(/\t/g, expandedTab).length;
		            state.indentation = indentation;
		            state.indentationDiff = null;
		            if (indentation > 0) return null;
		          }
		        }
		      }
		      return state.f(stream, state);
		    },

		    innerMode: function(state) {
		      if (state.block == htmlBlock) return {state: state.htmlState, mode: htmlMode};
		      if (state.localState) return {state: state.localState, mode: state.localMode};
		      return {state: state, mode: mode};
		    },

		    indent: function(state, textAfter, line) {
		      if (state.block == htmlBlock && htmlMode.indent) return htmlMode.indent(state.htmlState, textAfter, line)
		      if (state.localState && state.localMode.indent) return state.localMode.indent(state.localState, textAfter, line)
		      return CodeMirror.Pass
		    },

		    blankLine: blankLine,

		    getType: getType,

		    blockCommentStart: "<!--",
		    blockCommentEnd: "-->",
		    closeBrackets: "()[]{}''\"\"``",
		    fold: "markdown"
		  };
		  return mode;
		}, "xml");

		CodeMirror.defineMIME("text/markdown", "markdown");

		CodeMirror.defineMIME("text/x-markdown", "markdown");

		}); 
	} ());
	return markdown.exports;
}
/* Injected with object hook! */

requireMarkdown();
/* Injected with object hook! */

var pug = {exports: {}};/* Injected with object hook! */

var hasRequiredPug;

function requirePug () {
	if (hasRequiredPug) return pug.exports;
	hasRequiredPug = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror(), requireJavascript(), requireCss(), requireHtmlmixed());
		})(function(CodeMirror) {

		CodeMirror.defineMode("pug", function (config) {
		  // token types
		  var KEYWORD = 'keyword';
		  var DOCTYPE = 'meta';
		  var ID = 'builtin';
		  var CLASS = 'qualifier';

		  var ATTRS_NEST = {
		    '{': '}',
		    '(': ')',
		    '[': ']'
		  };

		  var jsMode = CodeMirror.getMode(config, 'javascript');

		  function State() {
		    this.javaScriptLine = false;
		    this.javaScriptLineExcludesColon = false;

		    this.javaScriptArguments = false;
		    this.javaScriptArgumentsDepth = 0;

		    this.isInterpolating = false;
		    this.interpolationNesting = 0;

		    this.jsState = CodeMirror.startState(jsMode);

		    this.restOfLine = '';

		    this.isIncludeFiltered = false;
		    this.isEach = false;

		    this.lastTag = '';
		    this.scriptType = '';

		    // Attributes Mode
		    this.isAttrs = false;
		    this.attrsNest = [];
		    this.inAttributeName = true;
		    this.attributeIsType = false;
		    this.attrValue = '';

		    // Indented Mode
		    this.indentOf = Infinity;
		    this.indentToken = '';

		    this.innerMode = null;
		    this.innerState = null;

		    this.innerModeForLine = false;
		  }
		  /**
		   * Safely copy a state
		   *
		   * @return {State}
		   */
		  State.prototype.copy = function () {
		    var res = new State();
		    res.javaScriptLine = this.javaScriptLine;
		    res.javaScriptLineExcludesColon = this.javaScriptLineExcludesColon;
		    res.javaScriptArguments = this.javaScriptArguments;
		    res.javaScriptArgumentsDepth = this.javaScriptArgumentsDepth;
		    res.isInterpolating = this.isInterpolating;
		    res.interpolationNesting = this.interpolationNesting;

		    res.jsState = CodeMirror.copyState(jsMode, this.jsState);

		    res.innerMode = this.innerMode;
		    if (this.innerMode && this.innerState) {
		      res.innerState = CodeMirror.copyState(this.innerMode, this.innerState);
		    }

		    res.restOfLine = this.restOfLine;

		    res.isIncludeFiltered = this.isIncludeFiltered;
		    res.isEach = this.isEach;
		    res.lastTag = this.lastTag;
		    res.scriptType = this.scriptType;
		    res.isAttrs = this.isAttrs;
		    res.attrsNest = this.attrsNest.slice();
		    res.inAttributeName = this.inAttributeName;
		    res.attributeIsType = this.attributeIsType;
		    res.attrValue = this.attrValue;
		    res.indentOf = this.indentOf;
		    res.indentToken = this.indentToken;

		    res.innerModeForLine = this.innerModeForLine;

		    return res;
		  };

		  function javaScript(stream, state) {
		    if (stream.sol()) {
		      // if javaScriptLine was set at end of line, ignore it
		      state.javaScriptLine = false;
		      state.javaScriptLineExcludesColon = false;
		    }
		    if (state.javaScriptLine) {
		      if (state.javaScriptLineExcludesColon && stream.peek() === ':') {
		        state.javaScriptLine = false;
		        state.javaScriptLineExcludesColon = false;
		        return;
		      }
		      var tok = jsMode.token(stream, state.jsState);
		      if (stream.eol()) state.javaScriptLine = false;
		      return tok || true;
		    }
		  }
		  function javaScriptArguments(stream, state) {
		    if (state.javaScriptArguments) {
		      if (state.javaScriptArgumentsDepth === 0 && stream.peek() !== '(') {
		        state.javaScriptArguments = false;
		        return;
		      }
		      if (stream.peek() === '(') {
		        state.javaScriptArgumentsDepth++;
		      } else if (stream.peek() === ')') {
		        state.javaScriptArgumentsDepth--;
		      }
		      if (state.javaScriptArgumentsDepth === 0) {
		        state.javaScriptArguments = false;
		        return;
		      }

		      var tok = jsMode.token(stream, state.jsState);
		      return tok || true;
		    }
		  }

		  function yieldStatement(stream) {
		    if (stream.match(/^yield\b/)) {
		        return 'keyword';
		    }
		  }

		  function doctype(stream) {
		    if (stream.match(/^(?:doctype) *([^\n]+)?/)) {
		        return DOCTYPE;
		    }
		  }

		  function interpolation(stream, state) {
		    if (stream.match('#{')) {
		      state.isInterpolating = true;
		      state.interpolationNesting = 0;
		      return 'punctuation';
		    }
		  }

		  function interpolationContinued(stream, state) {
		    if (state.isInterpolating) {
		      if (stream.peek() === '}') {
		        state.interpolationNesting--;
		        if (state.interpolationNesting < 0) {
		          stream.next();
		          state.isInterpolating = false;
		          return 'punctuation';
		        }
		      } else if (stream.peek() === '{') {
		        state.interpolationNesting++;
		      }
		      return jsMode.token(stream, state.jsState) || true;
		    }
		  }

		  function caseStatement(stream, state) {
		    if (stream.match(/^case\b/)) {
		      state.javaScriptLine = true;
		      return KEYWORD;
		    }
		  }

		  function when(stream, state) {
		    if (stream.match(/^when\b/)) {
		      state.javaScriptLine = true;
		      state.javaScriptLineExcludesColon = true;
		      return KEYWORD;
		    }
		  }

		  function defaultStatement(stream) {
		    if (stream.match(/^default\b/)) {
		      return KEYWORD;
		    }
		  }

		  function extendsStatement(stream, state) {
		    if (stream.match(/^extends?\b/)) {
		      state.restOfLine = 'string';
		      return KEYWORD;
		    }
		  }

		  function append(stream, state) {
		    if (stream.match(/^append\b/)) {
		      state.restOfLine = 'variable';
		      return KEYWORD;
		    }
		  }
		  function prepend(stream, state) {
		    if (stream.match(/^prepend\b/)) {
		      state.restOfLine = 'variable';
		      return KEYWORD;
		    }
		  }
		  function block(stream, state) {
		    if (stream.match(/^block\b *(?:(prepend|append)\b)?/)) {
		      state.restOfLine = 'variable';
		      return KEYWORD;
		    }
		  }

		  function include(stream, state) {
		    if (stream.match(/^include\b/)) {
		      state.restOfLine = 'string';
		      return KEYWORD;
		    }
		  }

		  function includeFiltered(stream, state) {
		    if (stream.match(/^include:([a-zA-Z0-9\-]+)/, false) && stream.match('include')) {
		      state.isIncludeFiltered = true;
		      return KEYWORD;
		    }
		  }

		  function includeFilteredContinued(stream, state) {
		    if (state.isIncludeFiltered) {
		      var tok = filter(stream, state);
		      state.isIncludeFiltered = false;
		      state.restOfLine = 'string';
		      return tok;
		    }
		  }

		  function mixin(stream, state) {
		    if (stream.match(/^mixin\b/)) {
		      state.javaScriptLine = true;
		      return KEYWORD;
		    }
		  }

		  function call(stream, state) {
		    if (stream.match(/^\+([-\w]+)/)) {
		      if (!stream.match(/^\( *[-\w]+ *=/, false)) {
		        state.javaScriptArguments = true;
		        state.javaScriptArgumentsDepth = 0;
		      }
		      return 'variable';
		    }
		    if (stream.match('+#{', false)) {
		      stream.next();
		      state.mixinCallAfter = true;
		      return interpolation(stream, state);
		    }
		  }
		  function callArguments(stream, state) {
		    if (state.mixinCallAfter) {
		      state.mixinCallAfter = false;
		      if (!stream.match(/^\( *[-\w]+ *=/, false)) {
		        state.javaScriptArguments = true;
		        state.javaScriptArgumentsDepth = 0;
		      }
		      return true;
		    }
		  }

		  function conditional(stream, state) {
		    if (stream.match(/^(if|unless|else if|else)\b/)) {
		      state.javaScriptLine = true;
		      return KEYWORD;
		    }
		  }

		  function each(stream, state) {
		    if (stream.match(/^(- *)?(each|for)\b/)) {
		      state.isEach = true;
		      return KEYWORD;
		    }
		  }
		  function eachContinued(stream, state) {
		    if (state.isEach) {
		      if (stream.match(/^ in\b/)) {
		        state.javaScriptLine = true;
		        state.isEach = false;
		        return KEYWORD;
		      } else if (stream.sol() || stream.eol()) {
		        state.isEach = false;
		      } else if (stream.next()) {
		        while (!stream.match(/^ in\b/, false) && stream.next());
		        return 'variable';
		      }
		    }
		  }

		  function whileStatement(stream, state) {
		    if (stream.match(/^while\b/)) {
		      state.javaScriptLine = true;
		      return KEYWORD;
		    }
		  }

		  function tag(stream, state) {
		    var captures;
		    if (captures = stream.match(/^(\w(?:[-:\w]*\w)?)\/?/)) {
		      state.lastTag = captures[1].toLowerCase();
		      if (state.lastTag === 'script') {
		        state.scriptType = 'application/javascript';
		      }
		      return 'tag';
		    }
		  }

		  function filter(stream, state) {
		    if (stream.match(/^:([\w\-]+)/)) {
		      var innerMode;
		      if (config && config.innerModes) {
		        innerMode = config.innerModes(stream.current().substring(1));
		      }
		      if (!innerMode) {
		        innerMode = stream.current().substring(1);
		      }
		      if (typeof innerMode === 'string') {
		        innerMode = CodeMirror.getMode(config, innerMode);
		      }
		      setInnerMode(stream, state, innerMode);
		      return 'atom';
		    }
		  }

		  function code(stream, state) {
		    if (stream.match(/^(!?=|-)/)) {
		      state.javaScriptLine = true;
		      return 'punctuation';
		    }
		  }

		  function id(stream) {
		    if (stream.match(/^#([\w-]+)/)) {
		      return ID;
		    }
		  }

		  function className(stream) {
		    if (stream.match(/^\.([\w-]+)/)) {
		      return CLASS;
		    }
		  }

		  function attrs(stream, state) {
		    if (stream.peek() == '(') {
		      stream.next();
		      state.isAttrs = true;
		      state.attrsNest = [];
		      state.inAttributeName = true;
		      state.attrValue = '';
		      state.attributeIsType = false;
		      return 'punctuation';
		    }
		  }

		  function attrsContinued(stream, state) {
		    if (state.isAttrs) {
		      if (ATTRS_NEST[stream.peek()]) {
		        state.attrsNest.push(ATTRS_NEST[stream.peek()]);
		      }
		      if (state.attrsNest[state.attrsNest.length - 1] === stream.peek()) {
		        state.attrsNest.pop();
		      } else  if (stream.eat(')')) {
		        state.isAttrs = false;
		        return 'punctuation';
		      }
		      if (state.inAttributeName && stream.match(/^[^=,\)!]+/)) {
		        if (stream.peek() === '=' || stream.peek() === '!') {
		          state.inAttributeName = false;
		          state.jsState = CodeMirror.startState(jsMode);
		          if (state.lastTag === 'script' && stream.current().trim().toLowerCase() === 'type') {
		            state.attributeIsType = true;
		          } else {
		            state.attributeIsType = false;
		          }
		        }
		        return 'attribute';
		      }

		      var tok = jsMode.token(stream, state.jsState);
		      if (state.attributeIsType && tok === 'string') {
		        state.scriptType = stream.current().toString();
		      }
		      if (state.attrsNest.length === 0 && (tok === 'string' || tok === 'variable' || tok === 'keyword')) {
		        try {
		          Function('', 'var x ' + state.attrValue.replace(/,\s*$/, '').replace(/^!/, ''));
		          state.inAttributeName = true;
		          state.attrValue = '';
		          stream.backUp(stream.current().length);
		          return attrsContinued(stream, state);
		        } catch (ex) {
		          //not the end of an attribute
		        }
		      }
		      state.attrValue += stream.current();
		      return tok || true;
		    }
		  }

		  function attributesBlock(stream, state) {
		    if (stream.match(/^&attributes\b/)) {
		      state.javaScriptArguments = true;
		      state.javaScriptArgumentsDepth = 0;
		      return 'keyword';
		    }
		  }

		  function indent(stream) {
		    if (stream.sol() && stream.eatSpace()) {
		      return 'indent';
		    }
		  }

		  function comment(stream, state) {
		    if (stream.match(/^ *\/\/(-)?([^\n]*)/)) {
		      state.indentOf = stream.indentation();
		      state.indentToken = 'comment';
		      return 'comment';
		    }
		  }

		  function colon(stream) {
		    if (stream.match(/^: */)) {
		      return 'colon';
		    }
		  }

		  function text(stream, state) {
		    if (stream.match(/^(?:\| ?| )([^\n]+)/)) {
		      return 'string';
		    }
		    if (stream.match(/^(<[^\n]*)/, false)) {
		      // html string
		      setInnerMode(stream, state, 'htmlmixed');
		      state.innerModeForLine = true;
		      return innerMode(stream, state, true);
		    }
		  }

		  function dot(stream, state) {
		    if (stream.eat('.')) {
		      var innerMode = null;
		      if (state.lastTag === 'script' && state.scriptType.toLowerCase().indexOf('javascript') != -1) {
		        innerMode = state.scriptType.toLowerCase().replace(/"|'/g, '');
		      } else if (state.lastTag === 'style') {
		        innerMode = 'css';
		      }
		      setInnerMode(stream, state, innerMode);
		      return 'dot';
		    }
		  }

		  function fail(stream) {
		    stream.next();
		    return null;
		  }


		  function setInnerMode(stream, state, mode) {
		    mode = CodeMirror.mimeModes[mode] || mode;
		    mode = config.innerModes ? config.innerModes(mode) || mode : mode;
		    mode = CodeMirror.mimeModes[mode] || mode;
		    mode = CodeMirror.getMode(config, mode);
		    state.indentOf = stream.indentation();

		    if (mode && mode.name !== 'null') {
		      state.innerMode = mode;
		    } else {
		      state.indentToken = 'string';
		    }
		  }
		  function innerMode(stream, state, force) {
		    if (stream.indentation() > state.indentOf || (state.innerModeForLine && !stream.sol()) || force) {
		      if (state.innerMode) {
		        if (!state.innerState) {
		          state.innerState = state.innerMode.startState ? CodeMirror.startState(state.innerMode, stream.indentation()) : {};
		        }
		        return stream.hideFirstChars(state.indentOf + 2, function () {
		          return state.innerMode.token(stream, state.innerState) || true;
		        });
		      } else {
		        stream.skipToEnd();
		        return state.indentToken;
		      }
		    } else if (stream.sol()) {
		      state.indentOf = Infinity;
		      state.indentToken = null;
		      state.innerMode = null;
		      state.innerState = null;
		    }
		  }
		  function restOfLine(stream, state) {
		    if (stream.sol()) {
		      // if restOfLine was set at end of line, ignore it
		      state.restOfLine = '';
		    }
		    if (state.restOfLine) {
		      stream.skipToEnd();
		      var tok = state.restOfLine;
		      state.restOfLine = '';
		      return tok;
		    }
		  }


		  function startState() {
		    return new State();
		  }
		  function copyState(state) {
		    return state.copy();
		  }
		  /**
		   * Get the next token in the stream
		   *
		   * @param {Stream} stream
		   * @param {State} state
		   */
		  function nextToken(stream, state) {
		    var tok = innerMode(stream, state)
		      || restOfLine(stream, state)
		      || interpolationContinued(stream, state)
		      || includeFilteredContinued(stream, state)
		      || eachContinued(stream, state)
		      || attrsContinued(stream, state)
		      || javaScript(stream, state)
		      || javaScriptArguments(stream, state)
		      || callArguments(stream, state)

		      || yieldStatement(stream)
		      || doctype(stream)
		      || interpolation(stream, state)
		      || caseStatement(stream, state)
		      || when(stream, state)
		      || defaultStatement(stream)
		      || extendsStatement(stream, state)
		      || append(stream, state)
		      || prepend(stream, state)
		      || block(stream, state)
		      || include(stream, state)
		      || includeFiltered(stream, state)
		      || mixin(stream, state)
		      || call(stream, state)
		      || conditional(stream, state)
		      || each(stream, state)
		      || whileStatement(stream, state)
		      || tag(stream, state)
		      || filter(stream, state)
		      || code(stream, state)
		      || id(stream)
		      || className(stream)
		      || attrs(stream, state)
		      || attributesBlock(stream, state)
		      || indent(stream)
		      || text(stream, state)
		      || comment(stream, state)
		      || colon(stream)
		      || dot(stream, state)
		      || fail(stream);

		    return tok === true ? null : tok;
		  }
		  return {
		    startState: startState,
		    copyState: copyState,
		    token: nextToken
		  };
		}, 'javascript', 'css', 'htmlmixed');

		CodeMirror.defineMIME('text/x-pug', 'pug');
		CodeMirror.defineMIME('text/x-jade', 'pug');

		}); 
	} ());
	return pug.exports;
}
/* Injected with object hook! */

requirePug();
/* Injected with object hook! */

var sass = {exports: {}};/* Injected with object hook! */

var hasRequiredSass;

function requireSass () {
	if (hasRequiredSass) return sass.exports;
	hasRequiredSass = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function(mod) {
		  mod(requireCodemirror(), requireCss());
		})(function(CodeMirror) {

		CodeMirror.defineMode("sass", function(config) {
		  var cssMode = CodeMirror.mimeModes["text/css"];
		  var propertyKeywords = cssMode.propertyKeywords || {},
		      colorKeywords = cssMode.colorKeywords || {},
		      valueKeywords = cssMode.valueKeywords || {},
		      fontProperties = cssMode.fontProperties || {};

		  function tokenRegexp(words) {
		    return new RegExp("^" + words.join("|"));
		  }

		  var keywords = ["true", "false", "null", "auto"];
		  var keywordsRegexp = new RegExp("^" + keywords.join("|"));

		  var operators = ["\\(", "\\)", "=", ">", "<", "==", ">=", "<=", "\\+", "-",
		                   "\\!=", "/", "\\*", "%", "and", "or", "not", ";","\\{","\\}",":"];
		  var opRegexp = tokenRegexp(operators);

		  var pseudoElementsRegexp = /^::?[a-zA-Z_][\w\-]*/;

		  var word;

		  function isEndLine(stream) {
		    return !stream.peek() || stream.match(/\s+$/, false);
		  }

		  function urlTokens(stream, state) {
		    var ch = stream.peek();

		    if (ch === ")") {
		      stream.next();
		      state.tokenizer = tokenBase;
		      return "operator";
		    } else if (ch === "(") {
		      stream.next();
		      stream.eatSpace();

		      return "operator";
		    } else if (ch === "'" || ch === '"') {
		      state.tokenizer = buildStringTokenizer(stream.next());
		      return "string";
		    } else {
		      state.tokenizer = buildStringTokenizer(")", false);
		      return "string";
		    }
		  }
		  function comment(indentation, multiLine) {
		    return function(stream, state) {
		      if (stream.sol() && stream.indentation() <= indentation) {
		        state.tokenizer = tokenBase;
		        return tokenBase(stream, state);
		      }

		      if (multiLine && stream.skipTo("*/")) {
		        stream.next();
		        stream.next();
		        state.tokenizer = tokenBase;
		      } else {
		        stream.skipToEnd();
		      }

		      return "comment";
		    };
		  }

		  function buildStringTokenizer(quote, greedy) {
		    if (greedy == null) { greedy = true; }

		    function stringTokenizer(stream, state) {
		      var nextChar = stream.next();
		      var peekChar = stream.peek();
		      var previousChar = stream.string.charAt(stream.pos-2);

		      var endingString = ((nextChar !== "\\" && peekChar === quote) || (nextChar === quote && previousChar !== "\\"));

		      if (endingString) {
		        if (nextChar !== quote && greedy) { stream.next(); }
		        if (isEndLine(stream)) {
		          state.cursorHalf = 0;
		        }
		        state.tokenizer = tokenBase;
		        return "string";
		      } else if (nextChar === "#" && peekChar === "{") {
		        state.tokenizer = buildInterpolationTokenizer(stringTokenizer);
		        stream.next();
		        return "operator";
		      } else {
		        return "string";
		      }
		    }

		    return stringTokenizer;
		  }

		  function buildInterpolationTokenizer(currentTokenizer) {
		    return function(stream, state) {
		      if (stream.peek() === "}") {
		        stream.next();
		        state.tokenizer = currentTokenizer;
		        return "operator";
		      } else {
		        return tokenBase(stream, state);
		      }
		    };
		  }

		  function indent(state) {
		    if (state.indentCount == 0) {
		      state.indentCount++;
		      var lastScopeOffset = state.scopes[0].offset;
		      var currentOffset = lastScopeOffset + config.indentUnit;
		      state.scopes.unshift({ offset:currentOffset });
		    }
		  }

		  function dedent(state) {
		    if (state.scopes.length == 1) return;

		    state.scopes.shift();
		  }

		  function tokenBase(stream, state) {
		    var ch = stream.peek();

		    // Comment
		    if (stream.match("/*")) {
		      state.tokenizer = comment(stream.indentation(), true);
		      return state.tokenizer(stream, state);
		    }
		    if (stream.match("//")) {
		      state.tokenizer = comment(stream.indentation(), false);
		      return state.tokenizer(stream, state);
		    }

		    // Interpolation
		    if (stream.match("#{")) {
		      state.tokenizer = buildInterpolationTokenizer(tokenBase);
		      return "operator";
		    }

		    // Strings
		    if (ch === '"' || ch === "'") {
		      stream.next();
		      state.tokenizer = buildStringTokenizer(ch);
		      return "string";
		    }

		    if(!state.cursorHalf){// state.cursorHalf === 0
		    // first half i.e. before : for key-value pairs
		    // including selectors

		      if (ch === "-") {
		        if (stream.match(/^-\w+-/)) {
		          return "meta";
		        }
		      }

		      if (ch === ".") {
		        stream.next();
		        if (stream.match(/^[\w-]+/)) {
		          indent(state);
		          return "qualifier";
		        } else if (stream.peek() === "#") {
		          indent(state);
		          return "tag";
		        }
		      }

		      if (ch === "#") {
		        stream.next();
		        // ID selectors
		        if (stream.match(/^[\w-]+/)) {
		          indent(state);
		          return "builtin";
		        }
		        if (stream.peek() === "#") {
		          indent(state);
		          return "tag";
		        }
		      }

		      // Variables
		      if (ch === "$") {
		        stream.next();
		        stream.eatWhile(/[\w-]/);
		        return "variable-2";
		      }

		      // Numbers
		      if (stream.match(/^-?[0-9\.]+/))
		        return "number";

		      // Units
		      if (stream.match(/^(px|em|in)\b/))
		        return "unit";

		      if (stream.match(keywordsRegexp))
		        return "keyword";

		      if (stream.match(/^url/) && stream.peek() === "(") {
		        state.tokenizer = urlTokens;
		        return "atom";
		      }

		      if (ch === "=") {
		        // Match shortcut mixin definition
		        if (stream.match(/^=[\w-]+/)) {
		          indent(state);
		          return "meta";
		        }
		      }

		      if (ch === "+") {
		        // Match shortcut mixin definition
		        if (stream.match(/^\+[\w-]+/)){
		          return "variable-3";
		        }
		      }

		      if(ch === "@"){
		        if(stream.match('@extend')){
		          if(!stream.match(/\s*[\w]/))
		            dedent(state);
		        }
		      }


		      // Indent Directives
		      if (stream.match(/^@(else if|if|media|else|for|each|while|mixin|function)/)) {
		        indent(state);
		        return "def";
		      }

		      // Other Directives
		      if (ch === "@") {
		        stream.next();
		        stream.eatWhile(/[\w-]/);
		        return "def";
		      }

		      if (stream.eatWhile(/[\w-]/)){
		        if(stream.match(/ *: *[\w-\+\$#!\("']/,false)){
		          word = stream.current().toLowerCase();
		          var prop = state.prevProp + "-" + word;
		          if (propertyKeywords.hasOwnProperty(prop)) {
		            return "property";
		          } else if (propertyKeywords.hasOwnProperty(word)) {
		            state.prevProp = word;
		            return "property";
		          } else if (fontProperties.hasOwnProperty(word)) {
		            return "property";
		          }
		          return "tag";
		        }
		        else if(stream.match(/ *:/,false)){
		          indent(state);
		          state.cursorHalf = 1;
		          state.prevProp = stream.current().toLowerCase();
		          return "property";
		        }
		        else if(stream.match(/ *,/,false)){
		          return "tag";
		        }
		        else {
		          indent(state);
		          return "tag";
		        }
		      }

		      if(ch === ":"){
		        if (stream.match(pseudoElementsRegexp)){ // could be a pseudo-element
		          return "variable-3";
		        }
		        stream.next();
		        state.cursorHalf=1;
		        return "operator";
		      }

		    } // cursorHalf===0 ends here
		    else {

		      if (ch === "#") {
		        stream.next();
		        // Hex numbers
		        if (stream.match(/[0-9a-fA-F]{6}|[0-9a-fA-F]{3}/)){
		          if (isEndLine(stream)) {
		            state.cursorHalf = 0;
		          }
		          return "number";
		        }
		      }

		      // Numbers
		      if (stream.match(/^-?[0-9\.]+/)){
		        if (isEndLine(stream)) {
		          state.cursorHalf = 0;
		        }
		        return "number";
		      }

		      // Units
		      if (stream.match(/^(px|em|in)\b/)){
		        if (isEndLine(stream)) {
		          state.cursorHalf = 0;
		        }
		        return "unit";
		      }

		      if (stream.match(keywordsRegexp)){
		        if (isEndLine(stream)) {
		          state.cursorHalf = 0;
		        }
		        return "keyword";
		      }

		      if (stream.match(/^url/) && stream.peek() === "(") {
		        state.tokenizer = urlTokens;
		        if (isEndLine(stream)) {
		          state.cursorHalf = 0;
		        }
		        return "atom";
		      }

		      // Variables
		      if (ch === "$") {
		        stream.next();
		        stream.eatWhile(/[\w-]/);
		        if (isEndLine(stream)) {
		          state.cursorHalf = 0;
		        }
		        return "variable-2";
		      }

		      // bang character for !important, !default, etc.
		      if (ch === "!") {
		        stream.next();
		        state.cursorHalf = 0;
		        return stream.match(/^[\w]+/) ? "keyword": "operator";
		      }

		      if (stream.match(opRegexp)){
		        if (isEndLine(stream)) {
		          state.cursorHalf = 0;
		        }
		        return "operator";
		      }

		      // attributes
		      if (stream.eatWhile(/[\w-]/)) {
		        if (isEndLine(stream)) {
		          state.cursorHalf = 0;
		        }
		        word = stream.current().toLowerCase();
		        if (valueKeywords.hasOwnProperty(word)) {
		          return "atom";
		        } else if (colorKeywords.hasOwnProperty(word)) {
		          return "keyword";
		        } else if (propertyKeywords.hasOwnProperty(word)) {
		          state.prevProp = stream.current().toLowerCase();
		          return "property";
		        } else {
		          return "tag";
		        }
		      }

		      //stream.eatSpace();
		      if (isEndLine(stream)) {
		        state.cursorHalf = 0;
		        return null;
		      }

		    } // else ends here

		    if (stream.match(opRegexp))
		      return "operator";

		    // If we haven't returned by now, we move 1 character
		    // and return an error
		    stream.next();
		    return null;
		  }

		  function tokenLexer(stream, state) {
		    if (stream.sol()) state.indentCount = 0;
		    var style = state.tokenizer(stream, state);
		    var current = stream.current();

		    if (current === "@return" || current === "}"){
		      dedent(state);
		    }

		    if (style !== null) {
		      var startOfToken = stream.pos - current.length;

		      var withCurrentIndent = startOfToken + (config.indentUnit * state.indentCount);

		      var newScopes = [];

		      for (var i = 0; i < state.scopes.length; i++) {
		        var scope = state.scopes[i];

		        if (scope.offset <= withCurrentIndent)
		          newScopes.push(scope);
		      }

		      state.scopes = newScopes;
		    }


		    return style;
		  }

		  return {
		    startState: function() {
		      return {
		        tokenizer: tokenBase,
		        scopes: [{offset: 0, type: "sass"}],
		        indentCount: 0,
		        cursorHalf: 0,  // cursor half tells us if cursor lies after (1)
		                        // or before (0) colon (well... more or less)
		        definedVars: [],
		        definedMixins: []
		      };
		    },
		    token: function(stream, state) {
		      var style = tokenLexer(stream, state);

		      state.lastToken = { style: style, content: stream.current() };

		      return style;
		    },

		    indent: function(state) {
		      return state.scopes[0].offset;
		    },

		    blockCommentStart: "/*",
		    blockCommentEnd: "*/",
		    lineComment: "//",
		    fold: "indent"
		  };
		}, "css");

		CodeMirror.defineMIME("text/x-sass", "sass");

		}); 
	} ());
	return sass.exports;
}
/* Injected with object hook! */

requireSass();
/* Injected with object hook! */

var vue = {exports: {}};/* Injected with object hook! */

var overlay = {exports: {}};/* Injected with object hook! */

var hasRequiredOverlay;

function requireOverlay () {
	if (hasRequiredOverlay) return overlay.exports;
	hasRequiredOverlay = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		// Utility function that allows modes to be combined. The mode given
		// as the base argument takes care of most of the normal mode
		// functionality, but a second (typically simple) mode is used, which
		// can override the style of text. Both modes get to parse all of the
		// text, but when both assign a non-null style to a piece of code, the
		// overlay wins, unless the combine argument was true and not overridden,
		// or state.overlay.combineTokens was true, in which case the styles are
		// combined.

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {

		CodeMirror.overlayMode = function(base, overlay, combine) {
		  return {
		    startState: function() {
		      return {
		        base: CodeMirror.startState(base),
		        overlay: CodeMirror.startState(overlay),
		        basePos: 0, baseCur: null,
		        overlayPos: 0, overlayCur: null,
		        streamSeen: null
		      };
		    },
		    copyState: function(state) {
		      return {
		        base: CodeMirror.copyState(base, state.base),
		        overlay: CodeMirror.copyState(overlay, state.overlay),
		        basePos: state.basePos, baseCur: null,
		        overlayPos: state.overlayPos, overlayCur: null
		      };
		    },

		    token: function(stream, state) {
		      if (stream != state.streamSeen ||
		          Math.min(state.basePos, state.overlayPos) < stream.start) {
		        state.streamSeen = stream;
		        state.basePos = state.overlayPos = stream.start;
		      }

		      if (stream.start == state.basePos) {
		        state.baseCur = base.token(stream, state.base);
		        state.basePos = stream.pos;
		      }
		      if (stream.start == state.overlayPos) {
		        stream.pos = stream.start;
		        state.overlayCur = overlay.token(stream, state.overlay);
		        state.overlayPos = stream.pos;
		      }
		      stream.pos = Math.min(state.basePos, state.overlayPos);

		      // state.overlay.combineTokens always takes precedence over combine,
		      // unless set to null
		      if (state.overlayCur == null) return state.baseCur;
		      else if (state.baseCur != null &&
		               state.overlay.combineTokens ||
		               combine && state.overlay.combineTokens == null)
		        return state.baseCur + " " + state.overlayCur;
		      else return state.overlayCur;
		    },

		    indent: base.indent && function(state, textAfter, line) {
		      return base.indent(state.base, textAfter, line);
		    },
		    electricChars: base.electricChars,

		    innerMode: function(state) { return {state: state.base, mode: base}; },

		    blankLine: function(state) {
		      var baseToken, overlayToken;
		      if (base.blankLine) baseToken = base.blankLine(state.base);
		      if (overlay.blankLine) overlayToken = overlay.blankLine(state.overlay);

		      return overlayToken == null ?
		        baseToken :
		        (combine && baseToken != null ? baseToken + " " + overlayToken : overlayToken);
		    }
		  };
		};

		}); 
	} ());
	return overlay.exports;
}
/* Injected with object hook! */

var coffeescript = {exports: {}};/* Injected with object hook! */

var hasRequiredCoffeescript;

function requireCoffeescript () {
	if (hasRequiredCoffeescript) return coffeescript.exports;
	hasRequiredCoffeescript = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		/**
		 * Link to the project's GitHub page:
		 * https://github.com/pickhardt/coffeescript-codemirror-mode
		 */
		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {

		CodeMirror.defineMode("coffeescript", function(conf, parserConf) {
		  var ERRORCLASS = "error";

		  function wordRegexp(words) {
		    return new RegExp("^((" + words.join(")|(") + "))\\b");
		  }

		  var operators = /^(?:->|=>|\+[+=]?|-[\-=]?|\*[\*=]?|\/[\/=]?|[=!]=|<[><]?=?|>>?=?|%=?|&=?|\|=?|\^=?|\~|!|\?|(or|and|\|\||&&|\?)=)/;
		  var delimiters = /^(?:[()\[\]{},:`=;]|\.\.?\.?)/;
		  var identifiers = /^[_A-Za-z$][_A-Za-z$0-9]*/;
		  var atProp = /^@[_A-Za-z$][_A-Za-z$0-9]*/;

		  var wordOperators = wordRegexp(["and", "or", "not",
		                                  "is", "isnt", "in",
		                                  "instanceof", "typeof"]);
		  var indentKeywords = ["for", "while", "loop", "if", "unless", "else",
		                        "switch", "try", "catch", "finally", "class"];
		  var commonKeywords = ["break", "by", "continue", "debugger", "delete",
		                        "do", "in", "of", "new", "return", "then",
		                        "this", "@", "throw", "when", "until", "extends"];

		  var keywords = wordRegexp(indentKeywords.concat(commonKeywords));

		  indentKeywords = wordRegexp(indentKeywords);


		  var stringPrefixes = /^('{3}|\"{3}|['\"])/;
		  var regexPrefixes = /^(\/{3}|\/)/;
		  var commonConstants = ["Infinity", "NaN", "undefined", "null", "true", "false", "on", "off", "yes", "no"];
		  var constants = wordRegexp(commonConstants);

		  // Tokenizers
		  function tokenBase(stream, state) {
		    // Handle scope changes
		    if (stream.sol()) {
		      if (state.scope.align === null) state.scope.align = false;
		      var scopeOffset = state.scope.offset;
		      if (stream.eatSpace()) {
		        var lineOffset = stream.indentation();
		        if (lineOffset > scopeOffset && state.scope.type == "coffee") {
		          return "indent";
		        } else if (lineOffset < scopeOffset) {
		          return "dedent";
		        }
		        return null;
		      } else {
		        if (scopeOffset > 0) {
		          dedent(stream, state);
		        }
		      }
		    }
		    if (stream.eatSpace()) {
		      return null;
		    }

		    var ch = stream.peek();

		    // Handle docco title comment (single line)
		    if (stream.match("####")) {
		      stream.skipToEnd();
		      return "comment";
		    }

		    // Handle multi line comments
		    if (stream.match("###")) {
		      state.tokenize = longComment;
		      return state.tokenize(stream, state);
		    }

		    // Single line comment
		    if (ch === "#") {
		      stream.skipToEnd();
		      return "comment";
		    }

		    // Handle number literals
		    if (stream.match(/^-?[0-9\.]/, false)) {
		      var floatLiteral = false;
		      // Floats
		      if (stream.match(/^-?\d*\.\d+(e[\+\-]?\d+)?/i)) {
		        floatLiteral = true;
		      }
		      if (stream.match(/^-?\d+\.\d*/)) {
		        floatLiteral = true;
		      }
		      if (stream.match(/^-?\.\d+/)) {
		        floatLiteral = true;
		      }

		      if (floatLiteral) {
		        // prevent from getting extra . on 1..
		        if (stream.peek() == "."){
		          stream.backUp(1);
		        }
		        return "number";
		      }
		      // Integers
		      var intLiteral = false;
		      // Hex
		      if (stream.match(/^-?0x[0-9a-f]+/i)) {
		        intLiteral = true;
		      }
		      // Decimal
		      if (stream.match(/^-?[1-9]\d*(e[\+\-]?\d+)?/)) {
		        intLiteral = true;
		      }
		      // Zero by itself with no other piece of number.
		      if (stream.match(/^-?0(?![\dx])/i)) {
		        intLiteral = true;
		      }
		      if (intLiteral) {
		        return "number";
		      }
		    }

		    // Handle strings
		    if (stream.match(stringPrefixes)) {
		      state.tokenize = tokenFactory(stream.current(), false, "string");
		      return state.tokenize(stream, state);
		    }
		    // Handle regex literals
		    if (stream.match(regexPrefixes)) {
		      if (stream.current() != "/" || stream.match(/^.*\//, false)) { // prevent highlight of division
		        state.tokenize = tokenFactory(stream.current(), true, "string-2");
		        return state.tokenize(stream, state);
		      } else {
		        stream.backUp(1);
		      }
		    }



		    // Handle operators and delimiters
		    if (stream.match(operators) || stream.match(wordOperators)) {
		      return "operator";
		    }
		    if (stream.match(delimiters)) {
		      return "punctuation";
		    }

		    if (stream.match(constants)) {
		      return "atom";
		    }

		    if (stream.match(atProp) || state.prop && stream.match(identifiers)) {
		      return "property";
		    }

		    if (stream.match(keywords)) {
		      return "keyword";
		    }

		    if (stream.match(identifiers)) {
		      return "variable";
		    }

		    // Handle non-detected items
		    stream.next();
		    return ERRORCLASS;
		  }

		  function tokenFactory(delimiter, singleline, outclass) {
		    return function(stream, state) {
		      while (!stream.eol()) {
		        stream.eatWhile(/[^'"\/\\]/);
		        if (stream.eat("\\")) {
		          stream.next();
		          if (singleline && stream.eol()) {
		            return outclass;
		          }
		        } else if (stream.match(delimiter)) {
		          state.tokenize = tokenBase;
		          return outclass;
		        } else {
		          stream.eat(/['"\/]/);
		        }
		      }
		      if (singleline) {
		        if (parserConf.singleLineStringErrors) {
		          outclass = ERRORCLASS;
		        } else {
		          state.tokenize = tokenBase;
		        }
		      }
		      return outclass;
		    };
		  }

		  function longComment(stream, state) {
		    while (!stream.eol()) {
		      stream.eatWhile(/[^#]/);
		      if (stream.match("###")) {
		        state.tokenize = tokenBase;
		        break;
		      }
		      stream.eatWhile("#");
		    }
		    return "comment";
		  }

		  function indent(stream, state, type) {
		    type = type || "coffee";
		    var offset = 0, align = false, alignOffset = null;
		    for (var scope = state.scope; scope; scope = scope.prev) {
		      if (scope.type === "coffee" || scope.type == "}") {
		        offset = scope.offset + conf.indentUnit;
		        break;
		      }
		    }
		    if (type !== "coffee") {
		      align = null;
		      alignOffset = stream.column() + stream.current().length;
		    } else if (state.scope.align) {
		      state.scope.align = false;
		    }
		    state.scope = {
		      offset: offset,
		      type: type,
		      prev: state.scope,
		      align: align,
		      alignOffset: alignOffset
		    };
		  }

		  function dedent(stream, state) {
		    if (!state.scope.prev) return;
		    if (state.scope.type === "coffee") {
		      var _indent = stream.indentation();
		      var matched = false;
		      for (var scope = state.scope; scope; scope = scope.prev) {
		        if (_indent === scope.offset) {
		          matched = true;
		          break;
		        }
		      }
		      if (!matched) {
		        return true;
		      }
		      while (state.scope.prev && state.scope.offset !== _indent) {
		        state.scope = state.scope.prev;
		      }
		      return false;
		    } else {
		      state.scope = state.scope.prev;
		      return false;
		    }
		  }

		  function tokenLexer(stream, state) {
		    var style = state.tokenize(stream, state);
		    var current = stream.current();

		    // Handle scope changes.
		    if (current === "return") {
		      state.dedent = true;
		    }
		    if (((current === "->" || current === "=>") && stream.eol())
		        || style === "indent") {
		      indent(stream, state);
		    }
		    var delimiter_index = "[({".indexOf(current);
		    if (delimiter_index !== -1) {
		      indent(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
		    }
		    if (indentKeywords.exec(current)){
		      indent(stream, state);
		    }
		    if (current == "then"){
		      dedent(stream, state);
		    }


		    if (style === "dedent") {
		      if (dedent(stream, state)) {
		        return ERRORCLASS;
		      }
		    }
		    delimiter_index = "])}".indexOf(current);
		    if (delimiter_index !== -1) {
		      while (state.scope.type == "coffee" && state.scope.prev)
		        state.scope = state.scope.prev;
		      if (state.scope.type == current)
		        state.scope = state.scope.prev;
		    }
		    if (state.dedent && stream.eol()) {
		      if (state.scope.type == "coffee" && state.scope.prev)
		        state.scope = state.scope.prev;
		      state.dedent = false;
		    }

		    return style;
		  }

		  var external = {
		    startState: function(basecolumn) {
		      return {
		        tokenize: tokenBase,
		        scope: {offset:basecolumn || 0, type:"coffee", prev: null, align: false},
		        prop: false,
		        dedent: 0
		      };
		    },

		    token: function(stream, state) {
		      var fillAlign = state.scope.align === null && state.scope;
		      if (fillAlign && stream.sol()) fillAlign.align = false;

		      var style = tokenLexer(stream, state);
		      if (style && style != "comment") {
		        if (fillAlign) fillAlign.align = true;
		        state.prop = style == "punctuation" && stream.current() == ".";
		      }

		      return style;
		    },

		    indent: function(state, text) {
		      if (state.tokenize != tokenBase) return 0;
		      var scope = state.scope;
		      var closer = text && "])}".indexOf(text.charAt(0)) > -1;
		      if (closer) while (scope.type == "coffee" && scope.prev) scope = scope.prev;
		      var closes = closer && scope.type === text.charAt(0);
		      if (scope.align)
		        return scope.alignOffset - (closes ? 1 : 0);
		      else
		        return (closes ? scope.prev : scope).offset;
		    },

		    lineComment: "#",
		    fold: "indent"
		  };
		  return external;
		});

		// IANA registered media type
		// https://www.iana.org/assignments/media-types/
		CodeMirror.defineMIME("application/vnd.coffeescript", "coffeescript");

		CodeMirror.defineMIME("text/x-coffeescript", "coffeescript");
		CodeMirror.defineMIME("text/coffeescript", "coffeescript");

		}); 
	} ());
	return coffeescript.exports;
}
/* Injected with object hook! */

var stylus = {exports: {}};/* Injected with object hook! */

var hasRequiredStylus;

function requireStylus () {
	if (hasRequiredStylus) return stylus.exports;
	hasRequiredStylus = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		// Stylus mode created by Dmitry Kiselyov http://git.io/AaRB

		(function(mod) {
		  mod(requireCodemirror());
		})(function(CodeMirror) {

		  CodeMirror.defineMode("stylus", function(config) {
		    var indentUnit = config.indentUnit,
		        indentUnitString = '',
		        tagKeywords = keySet(tagKeywords_),
		        tagVariablesRegexp = /^(a|b|i|s|col|em)$/i,
		        propertyKeywords = keySet(propertyKeywords_),
		        nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_),
		        valueKeywords = keySet(valueKeywords_),
		        colorKeywords = keySet(colorKeywords_),
		        documentTypes = keySet(documentTypes_),
		        documentTypesRegexp = wordRegexp(documentTypes_),
		        mediaFeatures = keySet(mediaFeatures_),
		        mediaTypes = keySet(mediaTypes_),
		        fontProperties = keySet(fontProperties_),
		        operatorsRegexp = /^\s*([.]{2,3}|&&|\|\||\*\*|[?!=:]?=|[-+*\/%<>]=?|\?:|\~)/,
		        wordOperatorKeywordsRegexp = wordRegexp(wordOperatorKeywords_),
		        blockKeywords = keySet(blockKeywords_),
		        vendorPrefixesRegexp = new RegExp(/^\-(moz|ms|o|webkit)-/i),
		        commonAtoms = keySet(commonAtoms_),
		        firstWordMatch = "",
		        states = {},
		        ch,
		        style,
		        type,
		        override;

		    while (indentUnitString.length < indentUnit) indentUnitString += ' ';

		    /**
		     * Tokenizers
		     */
		    function tokenBase(stream, state) {
		      firstWordMatch = stream.string.match(/(^[\w-]+\s*=\s*$)|(^\s*[\w-]+\s*=\s*[\w-])|(^\s*(\.|#|@|\$|\&|\[|\d|\+|::?|\{|\>|~|\/)?\s*[\w-]*([a-z0-9-]|\*|\/\*)(\(|,)?)/);
		      state.context.line.firstWord = firstWordMatch ? firstWordMatch[0].replace(/^\s*/, "") : "";
		      state.context.line.indent = stream.indentation();
		      ch = stream.peek();

		      // Line comment
		      if (stream.match("//")) {
		        stream.skipToEnd();
		        return ["comment", "comment"];
		      }
		      // Block comment
		      if (stream.match("/*")) {
		        state.tokenize = tokenCComment;
		        return tokenCComment(stream, state);
		      }
		      // String
		      if (ch == "\"" || ch == "'") {
		        stream.next();
		        state.tokenize = tokenString(ch);
		        return state.tokenize(stream, state);
		      }
		      // Def
		      if (ch == "@") {
		        stream.next();
		        stream.eatWhile(/[\w\\-]/);
		        return ["def", stream.current()];
		      }
		      // ID selector or Hex color
		      if (ch == "#") {
		        stream.next();
		        // Hex color
		        if (stream.match(/^[0-9a-f]{3}([0-9a-f]([0-9a-f]{2}){0,2})?\b(?!-)/i)) {
		          return ["atom", "atom"];
		        }
		        // ID selector
		        if (stream.match(/^[a-z][\w-]*/i)) {
		          return ["builtin", "hash"];
		        }
		      }
		      // Vendor prefixes
		      if (stream.match(vendorPrefixesRegexp)) {
		        return ["meta", "vendor-prefixes"];
		      }
		      // Numbers
		      if (stream.match(/^-?[0-9]?\.?[0-9]/)) {
		        stream.eatWhile(/[a-z%]/i);
		        return ["number", "unit"];
		      }
		      // !important|optional
		      if (ch == "!") {
		        stream.next();
		        return [stream.match(/^(important|optional)/i) ? "keyword": "operator", "important"];
		      }
		      // Class
		      if (ch == "." && stream.match(/^\.[a-z][\w-]*/i)) {
		        return ["qualifier", "qualifier"];
		      }
		      // url url-prefix domain regexp
		      if (stream.match(documentTypesRegexp)) {
		        if (stream.peek() == "(") state.tokenize = tokenParenthesized;
		        return ["property", "word"];
		      }
		      // Mixins / Functions
		      if (stream.match(/^[a-z][\w-]*\(/i)) {
		        stream.backUp(1);
		        return ["keyword", "mixin"];
		      }
		      // Block mixins
		      if (stream.match(/^(\+|-)[a-z][\w-]*\(/i)) {
		        stream.backUp(1);
		        return ["keyword", "block-mixin"];
		      }
		      // Parent Reference BEM naming
		      if (stream.string.match(/^\s*&/) && stream.match(/^[-_]+[a-z][\w-]*/)) {
		        return ["qualifier", "qualifier"];
		      }
		      // / Root Reference & Parent Reference
		      if (stream.match(/^(\/|&)(-|_|:|\.|#|[a-z])/)) {
		        stream.backUp(1);
		        return ["variable-3", "reference"];
		      }
		      if (stream.match(/^&{1}\s*$/)) {
		        return ["variable-3", "reference"];
		      }
		      // Word operator
		      if (stream.match(wordOperatorKeywordsRegexp)) {
		        return ["operator", "operator"];
		      }
		      // Word
		      if (stream.match(/^\$?[-_]*[a-z0-9]+[\w-]*/i)) {
		        // Variable
		        if (stream.match(/^(\.|\[)[\w-\'\"\]]+/i, false)) {
		          if (!wordIsTag(stream.current())) {
		            stream.match('.');
		            return ["variable-2", "variable-name"];
		          }
		        }
		        return ["variable-2", "word"];
		      }
		      // Operators
		      if (stream.match(operatorsRegexp)) {
		        return ["operator", stream.current()];
		      }
		      // Delimiters
		      if (/[:;,{}\[\]\(\)]/.test(ch)) {
		        stream.next();
		        return [null, ch];
		      }
		      // Non-detected items
		      stream.next();
		      return [null, null];
		    }

		    /**
		     * Token comment
		     */
		    function tokenCComment(stream, state) {
		      var maybeEnd = false, ch;
		      while ((ch = stream.next()) != null) {
		        if (maybeEnd && ch == "/") {
		          state.tokenize = null;
		          break;
		        }
		        maybeEnd = (ch == "*");
		      }
		      return ["comment", "comment"];
		    }

		    /**
		     * Token string
		     */
		    function tokenString(quote) {
		      return function(stream, state) {
		        var escaped = false, ch;
		        while ((ch = stream.next()) != null) {
		          if (ch == quote && !escaped) {
		            if (quote == ")") stream.backUp(1);
		            break;
		          }
		          escaped = !escaped && ch == "\\";
		        }
		        if (ch == quote || !escaped && quote != ")") state.tokenize = null;
		        return ["string", "string"];
		      };
		    }

		    /**
		     * Token parenthesized
		     */
		    function tokenParenthesized(stream, state) {
		      stream.next(); // Must be "("
		      if (!stream.match(/\s*[\"\')]/, false))
		        state.tokenize = tokenString(")");
		      else
		        state.tokenize = null;
		      return [null, "("];
		    }

		    /**
		     * Context management
		     */
		    function Context(type, indent, prev, line) {
		      this.type = type;
		      this.indent = indent;
		      this.prev = prev;
		      this.line = line || {firstWord: "", indent: 0};
		    }

		    function pushContext(state, stream, type, indent) {
		      indent = indent >= 0 ? indent : indentUnit;
		      state.context = new Context(type, stream.indentation() + indent, state.context);
		      return type;
		    }

		    function popContext(state, currentIndent) {
		      var contextIndent = state.context.indent - indentUnit;
		      currentIndent = currentIndent || false;
		      state.context = state.context.prev;
		      if (currentIndent) state.context.indent = contextIndent;
		      return state.context.type;
		    }

		    function pass(type, stream, state) {
		      return states[state.context.type](type, stream, state);
		    }

		    function popAndPass(type, stream, state, n) {
		      for (var i = 1; i > 0; i--)
		        state.context = state.context.prev;
		      return pass(type, stream, state);
		    }


		    /**
		     * Parser
		     */
		    function wordIsTag(word) {
		      return word.toLowerCase() in tagKeywords;
		    }

		    function wordIsProperty(word) {
		      word = word.toLowerCase();
		      return word in propertyKeywords || word in fontProperties;
		    }

		    function wordIsBlock(word) {
		      return word.toLowerCase() in blockKeywords;
		    }

		    function wordIsVendorPrefix(word) {
		      return word.toLowerCase().match(vendorPrefixesRegexp);
		    }

		    function wordAsValue(word) {
		      var wordLC = word.toLowerCase();
		      var override = "variable-2";
		      if (wordIsTag(word)) override = "tag";
		      else if (wordIsBlock(word)) override = "block-keyword";
		      else if (wordIsProperty(word)) override = "property";
		      else if (wordLC in valueKeywords || wordLC in commonAtoms) override = "atom";
		      else if (wordLC == "return" || wordLC in colorKeywords) override = "keyword";

		      // Font family
		      else if (word.match(/^[A-Z]/)) override = "string";
		      return override;
		    }

		    function typeIsBlock(type, stream) {
		      return ((endOfLine(stream) && (type == "{" || type == "]" || type == "hash" || type == "qualifier")) || type == "block-mixin");
		    }

		    function typeIsInterpolation(type, stream) {
		      return type == "{" && stream.match(/^\s*\$?[\w-]+/i, false);
		    }

		    function typeIsPseudo(type, stream) {
		      return type == ":" && stream.match(/^[a-z-]+/, false);
		    }

		    function startOfLine(stream) {
		      return stream.sol() || stream.string.match(new RegExp("^\\s*" + escapeRegExp(stream.current())));
		    }

		    function endOfLine(stream) {
		      return stream.eol() || stream.match(/^\s*$/, false);
		    }

		    function firstWordOfLine(line) {
		      var re = /^\s*[-_]*[a-z0-9]+[\w-]*/i;
		      var result = typeof line == "string" ? line.match(re) : line.string.match(re);
		      return result ? result[0].replace(/^\s*/, "") : "";
		    }


		    /**
		     * Block
		     */
		    states.block = function(type, stream, state) {
		      if ((type == "comment" && startOfLine(stream)) ||
		          (type == "," && endOfLine(stream)) ||
		          type == "mixin") {
		        return pushContext(state, stream, "block", 0);
		      }
		      if (typeIsInterpolation(type, stream)) {
		        return pushContext(state, stream, "interpolation");
		      }
		      if (endOfLine(stream) && type == "]") {
		        if (!/^\s*(\.|#|:|\[|\*|&)/.test(stream.string) && !wordIsTag(firstWordOfLine(stream))) {
		          return pushContext(state, stream, "block", 0);
		        }
		      }
		      if (typeIsBlock(type, stream)) {
		        return pushContext(state, stream, "block");
		      }
		      if (type == "}" && endOfLine(stream)) {
		        return pushContext(state, stream, "block", 0);
		      }
		      if (type == "variable-name") {
		        if (stream.string.match(/^\s?\$[\w-\.\[\]\'\"]+$/) || wordIsBlock(firstWordOfLine(stream))) {
		          return pushContext(state, stream, "variableName");
		        }
		        else {
		          return pushContext(state, stream, "variableName", 0);
		        }
		      }
		      if (type == "=") {
		        if (!endOfLine(stream) && !wordIsBlock(firstWordOfLine(stream))) {
		          return pushContext(state, stream, "block", 0);
		        }
		        return pushContext(state, stream, "block");
		      }
		      if (type == "*") {
		        if (endOfLine(stream) || stream.match(/\s*(,|\.|#|\[|:|{)/,false)) {
		          override = "tag";
		          return pushContext(state, stream, "block");
		        }
		      }
		      if (typeIsPseudo(type, stream)) {
		        return pushContext(state, stream, "pseudo");
		      }
		      if (/@(font-face|media|supports|(-moz-)?document)/.test(type)) {
		        return pushContext(state, stream, endOfLine(stream) ? "block" : "atBlock");
		      }
		      if (/@(-(moz|ms|o|webkit)-)?keyframes$/.test(type)) {
		        return pushContext(state, stream, "keyframes");
		      }
		      if (/@extends?/.test(type)) {
		        return pushContext(state, stream, "extend", 0);
		      }
		      if (type && type.charAt(0) == "@") {

		        // Property Lookup
		        if (stream.indentation() > 0 && wordIsProperty(stream.current().slice(1))) {
		          override = "variable-2";
		          return "block";
		        }
		        if (/(@import|@require|@charset)/.test(type)) {
		          return pushContext(state, stream, "block", 0);
		        }
		        return pushContext(state, stream, "block");
		      }
		      if (type == "reference" && endOfLine(stream)) {
		        return pushContext(state, stream, "block");
		      }
		      if (type == "(") {
		        return pushContext(state, stream, "parens");
		      }

		      if (type == "vendor-prefixes") {
		        return pushContext(state, stream, "vendorPrefixes");
		      }
		      if (type == "word") {
		        var word = stream.current();
		        override = wordAsValue(word);

		        if (override == "property") {
		          if (startOfLine(stream)) {
		            return pushContext(state, stream, "block", 0);
		          } else {
		            override = "atom";
		            return "block";
		          }
		        }

		        if (override == "tag") {

		          // tag is a css value
		          if (/embed|menu|pre|progress|sub|table/.test(word)) {
		            if (wordIsProperty(firstWordOfLine(stream))) {
		              override = "atom";
		              return "block";
		            }
		          }

		          // tag is an attribute
		          if (stream.string.match(new RegExp("\\[\\s*" + word + "|" + word +"\\s*\\]"))) {
		            override = "atom";
		            return "block";
		          }

		          // tag is a variable
		          if (tagVariablesRegexp.test(word)) {
		            if ((startOfLine(stream) && stream.string.match(/=/)) ||
		                (!startOfLine(stream) &&
		                 !stream.string.match(/^(\s*\.|#|\&|\[|\/|>|\*)/) &&
		                 !wordIsTag(firstWordOfLine(stream)))) {
		              override = "variable-2";
		              if (wordIsBlock(firstWordOfLine(stream)))  return "block";
		              return pushContext(state, stream, "block", 0);
		            }
		          }

		          if (endOfLine(stream)) return pushContext(state, stream, "block");
		        }
		        if (override == "block-keyword") {
		          override = "keyword";

		          // Postfix conditionals
		          if (stream.current(/(if|unless)/) && !startOfLine(stream)) {
		            return "block";
		          }
		          return pushContext(state, stream, "block");
		        }
		        if (word == "return") return pushContext(state, stream, "block", 0);

		        // Placeholder selector
		        if (override == "variable-2" && stream.string.match(/^\s?\$[\w-\.\[\]\'\"]+$/)) {
		          return pushContext(state, stream, "block");
		        }
		      }
		      return state.context.type;
		    };


		    /**
		     * Parens
		     */
		    states.parens = function(type, stream, state) {
		      if (type == "(") return pushContext(state, stream, "parens");
		      if (type == ")") {
		        if (state.context.prev.type == "parens") {
		          return popContext(state);
		        }
		        if ((stream.string.match(/^[a-z][\w-]*\(/i) && endOfLine(stream)) ||
		            wordIsBlock(firstWordOfLine(stream)) ||
		            /(\.|#|:|\[|\*|&|>|~|\+|\/)/.test(firstWordOfLine(stream)) ||
		            (!stream.string.match(/^-?[a-z][\w-\.\[\]\'\"]*\s*=/) &&
		             wordIsTag(firstWordOfLine(stream)))) {
		          return pushContext(state, stream, "block");
		        }
		        if (stream.string.match(/^[\$-]?[a-z][\w-\.\[\]\'\"]*\s*=/) ||
		            stream.string.match(/^\s*(\(|\)|[0-9])/) ||
		            stream.string.match(/^\s+[a-z][\w-]*\(/i) ||
		            stream.string.match(/^\s+[\$-]?[a-z]/i)) {
		          return pushContext(state, stream, "block", 0);
		        }
		        if (endOfLine(stream)) return pushContext(state, stream, "block");
		        else return pushContext(state, stream, "block", 0);
		      }
		      if (type && type.charAt(0) == "@" && wordIsProperty(stream.current().slice(1))) {
		        override = "variable-2";
		      }
		      if (type == "word") {
		        var word = stream.current();
		        override = wordAsValue(word);
		        if (override == "tag" && tagVariablesRegexp.test(word)) {
		          override = "variable-2";
		        }
		        if (override == "property" || word == "to") override = "atom";
		      }
		      if (type == "variable-name") {
		        return pushContext(state, stream, "variableName");
		      }
		      if (typeIsPseudo(type, stream)) {
		        return pushContext(state, stream, "pseudo");
		      }
		      return state.context.type;
		    };


		    /**
		     * Vendor prefixes
		     */
		    states.vendorPrefixes = function(type, stream, state) {
		      if (type == "word") {
		        override = "property";
		        return pushContext(state, stream, "block", 0);
		      }
		      return popContext(state);
		    };


		    /**
		     * Pseudo
		     */
		    states.pseudo = function(type, stream, state) {
		      if (!wordIsProperty(firstWordOfLine(stream.string))) {
		        stream.match(/^[a-z-]+/);
		        override = "variable-3";
		        if (endOfLine(stream)) return pushContext(state, stream, "block");
		        return popContext(state);
		      }
		      return popAndPass(type, stream, state);
		    };


		    /**
		     * atBlock
		     */
		    states.atBlock = function(type, stream, state) {
		      if (type == "(") return pushContext(state, stream, "atBlock_parens");
		      if (typeIsBlock(type, stream)) {
		        return pushContext(state, stream, "block");
		      }
		      if (typeIsInterpolation(type, stream)) {
		        return pushContext(state, stream, "interpolation");
		      }
		      if (type == "word") {
		        var word = stream.current().toLowerCase();
		        if (/^(only|not|and|or)$/.test(word))
		          override = "keyword";
		        else if (documentTypes.hasOwnProperty(word))
		          override = "tag";
		        else if (mediaTypes.hasOwnProperty(word))
		          override = "attribute";
		        else if (mediaFeatures.hasOwnProperty(word))
		          override = "property";
		        else if (nonStandardPropertyKeywords.hasOwnProperty(word))
		          override = "string-2";
		        else override = wordAsValue(stream.current());
		        if (override == "tag" && endOfLine(stream)) {
		          return pushContext(state, stream, "block");
		        }
		      }
		      if (type == "operator" && /^(not|and|or)$/.test(stream.current())) {
		        override = "keyword";
		      }
		      return state.context.type;
		    };

		    states.atBlock_parens = function(type, stream, state) {
		      if (type == "{" || type == "}") return state.context.type;
		      if (type == ")") {
		        if (endOfLine(stream)) return pushContext(state, stream, "block");
		        else return pushContext(state, stream, "atBlock");
		      }
		      if (type == "word") {
		        var word = stream.current().toLowerCase();
		        override = wordAsValue(word);
		        if (/^(max|min)/.test(word)) override = "property";
		        if (override == "tag") {
		          tagVariablesRegexp.test(word) ? override = "variable-2" : override = "atom";
		        }
		        return state.context.type;
		      }
		      return states.atBlock(type, stream, state);
		    };


		    /**
		     * Keyframes
		     */
		    states.keyframes = function(type, stream, state) {
		      if (stream.indentation() == "0" && ((type == "}" && startOfLine(stream)) || type == "]" || type == "hash"
		                                          || type == "qualifier" || wordIsTag(stream.current()))) {
		        return popAndPass(type, stream, state);
		      }
		      if (type == "{") return pushContext(state, stream, "keyframes");
		      if (type == "}") {
		        if (startOfLine(stream)) return popContext(state, true);
		        else return pushContext(state, stream, "keyframes");
		      }
		      if (type == "unit" && /^[0-9]+\%$/.test(stream.current())) {
		        return pushContext(state, stream, "keyframes");
		      }
		      if (type == "word") {
		        override = wordAsValue(stream.current());
		        if (override == "block-keyword") {
		          override = "keyword";
		          return pushContext(state, stream, "keyframes");
		        }
		      }
		      if (/@(font-face|media|supports|(-moz-)?document)/.test(type)) {
		        return pushContext(state, stream, endOfLine(stream) ? "block" : "atBlock");
		      }
		      if (type == "mixin") {
		        return pushContext(state, stream, "block", 0);
		      }
		      return state.context.type;
		    };


		    /**
		     * Interpolation
		     */
		    states.interpolation = function(type, stream, state) {
		      if (type == "{") popContext(state) && pushContext(state, stream, "block");
		      if (type == "}") {
		        if (stream.string.match(/^\s*(\.|#|:|\[|\*|&|>|~|\+|\/)/i) ||
		            (stream.string.match(/^\s*[a-z]/i) && wordIsTag(firstWordOfLine(stream)))) {
		          return pushContext(state, stream, "block");
		        }
		        if (!stream.string.match(/^(\{|\s*\&)/) ||
		            stream.match(/\s*[\w-]/,false)) {
		          return pushContext(state, stream, "block", 0);
		        }
		        return pushContext(state, stream, "block");
		      }
		      if (type == "variable-name") {
		        return pushContext(state, stream, "variableName", 0);
		      }
		      if (type == "word") {
		        override = wordAsValue(stream.current());
		        if (override == "tag") override = "atom";
		      }
		      return state.context.type;
		    };


		    /**
		     * Extend/s
		     */
		    states.extend = function(type, stream, state) {
		      if (type == "[" || type == "=") return "extend";
		      if (type == "]") return popContext(state);
		      if (type == "word") {
		        override = wordAsValue(stream.current());
		        return "extend";
		      }
		      return popContext(state);
		    };


		    /**
		     * Variable name
		     */
		    states.variableName = function(type, stream, state) {
		      if (type == "string" || type == "[" || type == "]" || stream.current().match(/^(\.|\$)/)) {
		        if (stream.current().match(/^\.[\w-]+/i)) override = "variable-2";
		        return "variableName";
		      }
		      return popAndPass(type, stream, state);
		    };


		    return {
		      startState: function(base) {
		        return {
		          tokenize: null,
		          state: "block",
		          context: new Context("block", base || 0, null)
		        };
		      },
		      token: function(stream, state) {
		        if (!state.tokenize && stream.eatSpace()) return null;
		        style = (state.tokenize || tokenBase)(stream, state);
		        if (style && typeof style == "object") {
		          type = style[1];
		          style = style[0];
		        }
		        override = style;
		        state.state = states[state.state](type, stream, state);
		        return override;
		      },
		      indent: function(state, textAfter, line) {

		        var cx = state.context,
		            ch = textAfter && textAfter.charAt(0),
		            indent = cx.indent,
		            lineFirstWord = firstWordOfLine(textAfter),
		            lineIndent = line.match(/^\s*/)[0].replace(/\t/g, indentUnitString).length,
		            prevLineFirstWord = state.context.prev ? state.context.prev.line.firstWord : "",
		            prevLineIndent = state.context.prev ? state.context.prev.line.indent : lineIndent;

		        if (cx.prev &&
		            (ch == "}" && (cx.type == "block" || cx.type == "atBlock" || cx.type == "keyframes") ||
		             ch == ")" && (cx.type == "parens" || cx.type == "atBlock_parens") ||
		             ch == "{" && (cx.type == "at"))) {
		          indent = cx.indent - indentUnit;
		        } else if (!(/(\})/.test(ch))) {
		          if (/@|\$|\d/.test(ch) ||
		              /^\{/.test(textAfter) ||
		/^\s*\/(\/|\*)/.test(textAfter) ||
		              /^\s*\/\*/.test(prevLineFirstWord) ||
		              /^\s*[\w-\.\[\]\'\"]+\s*(\?|:|\+)?=/i.test(textAfter) ||
		/^(\+|-)?[a-z][\w-]*\(/i.test(textAfter) ||
		/^return/.test(textAfter) ||
		              wordIsBlock(lineFirstWord)) {
		            indent = lineIndent;
		          } else if (/(\.|#|:|\[|\*|&|>|~|\+|\/)/.test(ch) || wordIsTag(lineFirstWord)) {
		            if (/\,\s*$/.test(prevLineFirstWord)) {
		              indent = prevLineIndent;
		            } else if (/^\s+/.test(line) && (/(\.|#|:|\[|\*|&|>|~|\+|\/)/.test(prevLineFirstWord) || wordIsTag(prevLineFirstWord))) {
		              indent = lineIndent <= prevLineIndent ? prevLineIndent : prevLineIndent + indentUnit;
		            } else {
		              indent = lineIndent;
		            }
		          } else if (!/,\s*$/.test(line) && (wordIsVendorPrefix(lineFirstWord) || wordIsProperty(lineFirstWord))) {
		            if (wordIsBlock(prevLineFirstWord)) {
		              indent = lineIndent <= prevLineIndent ? prevLineIndent : prevLineIndent + indentUnit;
		            } else if (/^\{/.test(prevLineFirstWord)) {
		              indent = lineIndent <= prevLineIndent ? lineIndent : prevLineIndent + indentUnit;
		            } else if (wordIsVendorPrefix(prevLineFirstWord) || wordIsProperty(prevLineFirstWord)) {
		              indent = lineIndent >= prevLineIndent ? prevLineIndent : lineIndent;
		            } else if (/^(\.|#|:|\[|\*|&|@|\+|\-|>|~|\/)/.test(prevLineFirstWord) ||
		                      /=\s*$/.test(prevLineFirstWord) ||
		                      wordIsTag(prevLineFirstWord) ||
		                      /^\$[\w-\.\[\]\'\"]/.test(prevLineFirstWord)) {
		              indent = prevLineIndent + indentUnit;
		            } else {
		              indent = lineIndent;
		            }
		          }
		        }
		        return indent;
		      },
		      electricChars: "}",
		      blockCommentStart: "/*",
		      blockCommentEnd: "*/",
		      blockCommentContinue: " * ",
		      lineComment: "//",
		      fold: "indent"
		    };
		  });

		  // developer.mozilla.org/en-US/docs/Web/HTML/Element
		  var tagKeywords_ = ["a","abbr","address","area","article","aside","audio", "b", "base","bdi", "bdo","bgsound","blockquote","body","br","button","canvas","caption","cite", "code","col","colgroup","data","datalist","dd","del","details","dfn","div", "dl","dt","em","embed","fieldset","figcaption","figure","footer","form","h1", "h2","h3","h4","h5","h6","head","header","hgroup","hr","html","i","iframe", "img","input","ins","kbd","keygen","label","legend","li","link","main","map", "mark","marquee","menu","menuitem","meta","meter","nav","nobr","noframes", "noscript","object","ol","optgroup","option","output","p","param","pre", "progress","q","rp","rt","ruby","s","samp","script","section","select", "small","source","span","strong","style","sub","summary","sup","table","tbody","td","textarea","tfoot","th","thead","time","tr","track", "u","ul","var","video"];

		  // github.com/codemirror/CodeMirror/blob/master/mode/css/css.js
		  // Note, "url-prefix" should precede "url" in order to match correctly in documentTypesRegexp
		  var documentTypes_ = ["domain", "regexp", "url-prefix", "url"];
		  var mediaTypes_ = ["all","aural","braille","handheld","print","projection","screen","tty","tv","embossed"];
		  var mediaFeatures_ = ["width","min-width","max-width","height","min-height","max-height","device-width","min-device-width","max-device-width","device-height","min-device-height","max-device-height","aspect-ratio","min-aspect-ratio","max-aspect-ratio","device-aspect-ratio","min-device-aspect-ratio","max-device-aspect-ratio","color","min-color","max-color","color-index","min-color-index","max-color-index","monochrome","min-monochrome","max-monochrome","resolution","min-resolution","max-resolution","scan","grid","dynamic-range","video-dynamic-range"];
		  var propertyKeywords_ = ["align-content","align-items","align-self","alignment-adjust","alignment-baseline","anchor-point","animation","animation-delay","animation-direction","animation-duration","animation-fill-mode","animation-iteration-count","animation-name","animation-play-state","animation-timing-function","appearance","azimuth","backface-visibility","background","background-attachment","background-clip","background-color","background-image","background-origin","background-position","background-repeat","background-size","baseline-shift","binding","bleed","bookmark-label","bookmark-level","bookmark-state","bookmark-target","border","border-bottom","border-bottom-color","border-bottom-left-radius","border-bottom-right-radius","border-bottom-style","border-bottom-width","border-collapse","border-color","border-image","border-image-outset","border-image-repeat","border-image-slice","border-image-source","border-image-width","border-left","border-left-color","border-left-style","border-left-width","border-radius","border-right","border-right-color","border-right-style","border-right-width","border-spacing","border-style","border-top","border-top-color","border-top-left-radius","border-top-right-radius","border-top-style","border-top-width","border-width","bottom","box-decoration-break","box-shadow","box-sizing","break-after","break-before","break-inside","caption-side","clear","clip","color","color-profile","column-count","column-fill","column-gap","column-rule","column-rule-color","column-rule-style","column-rule-width","column-span","column-width","columns","content","counter-increment","counter-reset","crop","cue","cue-after","cue-before","cursor","direction","display","dominant-baseline","drop-initial-after-adjust","drop-initial-after-align","drop-initial-before-adjust","drop-initial-before-align","drop-initial-size","drop-initial-value","elevation","empty-cells","fit","fit-position","flex","flex-basis","flex-direction","flex-flow","flex-grow","flex-shrink","flex-wrap","float","float-offset","flow-from","flow-into","font","font-feature-settings","font-family","font-kerning","font-language-override","font-size","font-size-adjust","font-stretch","font-style","font-synthesis","font-variant","font-variant-alternates","font-variant-caps","font-variant-east-asian","font-variant-ligatures","font-variant-numeric","font-variant-position","font-weight","grid","grid-area","grid-auto-columns","grid-auto-flow","grid-auto-position","grid-auto-rows","grid-column","grid-column-end","grid-column-start","grid-row","grid-row-end","grid-row-start","grid-template","grid-template-areas","grid-template-columns","grid-template-rows","hanging-punctuation","height","hyphens","icon","image-orientation","image-rendering","image-resolution","inline-box-align","justify-content","left","letter-spacing","line-break","line-height","line-stacking","line-stacking-ruby","line-stacking-shift","line-stacking-strategy","list-style","list-style-image","list-style-position","list-style-type","margin","margin-bottom","margin-left","margin-right","margin-top","marker-offset","marks","marquee-direction","marquee-loop","marquee-play-count","marquee-speed","marquee-style","max-height","max-width","min-height","min-width","move-to","nav-down","nav-index","nav-left","nav-right","nav-up","object-fit","object-position","opacity","order","orphans","outline","outline-color","outline-offset","outline-style","outline-width","overflow","overflow-style","overflow-wrap","overflow-x","overflow-y","padding","padding-bottom","padding-left","padding-right","padding-top","page","page-break-after","page-break-before","page-break-inside","page-policy","pause","pause-after","pause-before","perspective","perspective-origin","pitch","pitch-range","play-during","position","presentation-level","punctuation-trim","quotes","region-break-after","region-break-before","region-break-inside","region-fragment","rendering-intent","resize","rest","rest-after","rest-before","richness","right","rotation","rotation-point","ruby-align","ruby-overhang","ruby-position","ruby-span","shape-image-threshold","shape-inside","shape-margin","shape-outside","size","speak","speak-as","speak-header","speak-numeral","speak-punctuation","speech-rate","stress","string-set","tab-size","table-layout","target","target-name","target-new","target-position","text-align","text-align-last","text-decoration","text-decoration-color","text-decoration-line","text-decoration-skip","text-decoration-style","text-emphasis","text-emphasis-color","text-emphasis-position","text-emphasis-style","text-height","text-indent","text-justify","text-outline","text-overflow","text-shadow","text-size-adjust","text-space-collapse","text-transform","text-underline-position","text-wrap","top","transform","transform-origin","transform-style","transition","transition-delay","transition-duration","transition-property","transition-timing-function","unicode-bidi","vertical-align","visibility","voice-balance","voice-duration","voice-family","voice-pitch","voice-range","voice-rate","voice-stress","voice-volume","volume","white-space","widows","width","will-change","word-break","word-spacing","word-wrap","z-index","clip-path","clip-rule","mask","enable-background","filter","flood-color","flood-opacity","lighting-color","stop-color","stop-opacity","pointer-events","color-interpolation","color-interpolation-filters","color-rendering","fill","fill-opacity","fill-rule","image-rendering","marker","marker-end","marker-mid","marker-start","shape-rendering","stroke","stroke-dasharray","stroke-dashoffset","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","text-rendering","baseline-shift","dominant-baseline","glyph-orientation-horizontal","glyph-orientation-vertical","text-anchor","writing-mode","font-smoothing","osx-font-smoothing"];
		  var nonStandardPropertyKeywords_ = ["scrollbar-arrow-color","scrollbar-base-color","scrollbar-dark-shadow-color","scrollbar-face-color","scrollbar-highlight-color","scrollbar-shadow-color","scrollbar-3d-light-color","scrollbar-track-color","shape-inside","searchfield-cancel-button","searchfield-decoration","searchfield-results-button","searchfield-results-decoration","zoom"];
		  var fontProperties_ = ["font-family","src","unicode-range","font-variant","font-feature-settings","font-stretch","font-weight","font-style"];
		  var colorKeywords_ = ["aliceblue","antiquewhite","aqua","aquamarine","azure","beige","bisque","black","blanchedalmond","blue","blueviolet","brown","burlywood","cadetblue","chartreuse","chocolate","coral","cornflowerblue","cornsilk","crimson","cyan","darkblue","darkcyan","darkgoldenrod","darkgray","darkgreen","darkkhaki","darkmagenta","darkolivegreen","darkorange","darkorchid","darkred","darksalmon","darkseagreen","darkslateblue","darkslategray","darkturquoise","darkviolet","deeppink","deepskyblue","dimgray","dodgerblue","firebrick","floralwhite","forestgreen","fuchsia","gainsboro","ghostwhite","gold","goldenrod","gray","grey","green","greenyellow","honeydew","hotpink","indianred","indigo","ivory","khaki","lavender","lavenderblush","lawngreen","lemonchiffon","lightblue","lightcoral","lightcyan","lightgoldenrodyellow","lightgray","lightgreen","lightpink","lightsalmon","lightseagreen","lightskyblue","lightslategray","lightsteelblue","lightyellow","lime","limegreen","linen","magenta","maroon","mediumaquamarine","mediumblue","mediumorchid","mediumpurple","mediumseagreen","mediumslateblue","mediumspringgreen","mediumturquoise","mediumvioletred","midnightblue","mintcream","mistyrose","moccasin","navajowhite","navy","oldlace","olive","olivedrab","orange","orangered","orchid","palegoldenrod","palegreen","paleturquoise","palevioletred","papayawhip","peachpuff","peru","pink","plum","powderblue","purple","rebeccapurple","red","rosybrown","royalblue","saddlebrown","salmon","sandybrown","seagreen","seashell","sienna","silver","skyblue","slateblue","slategray","snow","springgreen","steelblue","tan","teal","thistle","tomato","turquoise","violet","wheat","white","whitesmoke","yellow","yellowgreen"];
		  var valueKeywords_ = ["above","absolute","activeborder","additive","activecaption","afar","after-white-space","ahead","alias","all","all-scroll","alphabetic","alternate","always","amharic","amharic-abegede","antialiased","appworkspace","arabic-indic","armenian","asterisks","attr","auto","avoid","avoid-column","avoid-page","avoid-region","background","backwards","baseline","below","bidi-override","binary","bengali","blink","block","block-axis","bold","bolder","border","border-box","both","bottom","break","break-all","break-word","bullets","button","buttonface","buttonhighlight","buttonshadow","buttontext","calc","cambodian","capitalize","caps-lock-indicator","caption","captiontext","caret","cell","center","checkbox","circle","cjk-decimal","cjk-earthly-branch","cjk-heavenly-stem","cjk-ideographic","clear","clip","close-quote","col-resize","collapse","column","compact","condensed","conic-gradient","contain","content","contents","content-box","context-menu","continuous","copy","counter","counters","cover","crop","cross","crosshair","currentcolor","cursive","cyclic","dashed","decimal","decimal-leading-zero","default","default-button","destination-atop","destination-in","destination-out","destination-over","devanagari","disc","discard","disclosure-closed","disclosure-open","document","dot-dash","dot-dot-dash","dotted","double","down","e-resize","ease","ease-in","ease-in-out","ease-out","element","ellipse","ellipsis","embed","end","ethiopic","ethiopic-abegede","ethiopic-abegede-am-et","ethiopic-abegede-gez","ethiopic-abegede-ti-er","ethiopic-abegede-ti-et","ethiopic-halehame-aa-er","ethiopic-halehame-aa-et","ethiopic-halehame-am-et","ethiopic-halehame-gez","ethiopic-halehame-om-et","ethiopic-halehame-sid-et","ethiopic-halehame-so-et","ethiopic-halehame-ti-er","ethiopic-halehame-ti-et","ethiopic-halehame-tig","ethiopic-numeric","ew-resize","expanded","extends","extra-condensed","extra-expanded","fantasy","fast","fill","fixed","flat","flex","footnotes","forwards","from","geometricPrecision","georgian","graytext","groove","gujarati","gurmukhi","hand","hangul","hangul-consonant","hebrew","help","hidden","hide","high","higher","highlight","highlighttext","hiragana","hiragana-iroha","horizontal","hsl","hsla","icon","ignore","inactiveborder","inactivecaption","inactivecaptiontext","infinite","infobackground","infotext","inherit","initial","inline","inline-axis","inline-block","inline-flex","inline-table","inset","inside","intrinsic","invert","italic","japanese-formal","japanese-informal","justify","kannada","katakana","katakana-iroha","keep-all","khmer","korean-hangul-formal","korean-hanja-formal","korean-hanja-informal","landscape","lao","large","larger","left","level","lighter","line-through","linear","linear-gradient","lines","list-item","listbox","listitem","local","logical","loud","lower","lower-alpha","lower-armenian","lower-greek","lower-hexadecimal","lower-latin","lower-norwegian","lower-roman","lowercase","ltr","malayalam","match","matrix","matrix3d","media-play-button","media-slider","media-sliderthumb","media-volume-slider","media-volume-sliderthumb","medium","menu","menulist","menulist-button","menutext","message-box","middle","min-intrinsic","mix","mongolian","monospace","move","multiple","myanmar","n-resize","narrower","ne-resize","nesw-resize","no-close-quote","no-drop","no-open-quote","no-repeat","none","normal","not-allowed","nowrap","ns-resize","numbers","numeric","nw-resize","nwse-resize","oblique","octal","open-quote","optimizeLegibility","optimizeSpeed","oriya","oromo","outset","outside","outside-shape","overlay","overline","padding","padding-box","painted","page","paused","persian","perspective","plus-darker","plus-lighter","pointer","polygon","portrait","pre","pre-line","pre-wrap","preserve-3d","progress","push-button","radial-gradient","radio","read-only","read-write","read-write-plaintext-only","rectangle","region","relative","repeat","repeating-linear-gradient","repeating-radial-gradient","repeating-conic-gradient","repeat-x","repeat-y","reset","reverse","rgb","rgba","ridge","right","rotate","rotate3d","rotateX","rotateY","rotateZ","round","row-resize","rtl","run-in","running","s-resize","sans-serif","scale","scale3d","scaleX","scaleY","scaleZ","scroll","scrollbar","scroll-position","se-resize","searchfield","searchfield-cancel-button","searchfield-decoration","searchfield-results-button","searchfield-results-decoration","semi-condensed","semi-expanded","separate","serif","show","sidama","simp-chinese-formal","simp-chinese-informal","single","skew","skewX","skewY","skip-white-space","slide","slider-horizontal","slider-vertical","sliderthumb-horizontal","sliderthumb-vertical","slow","small","small-caps","small-caption","smaller","solid","somali","source-atop","source-in","source-out","source-over","space","spell-out","square","square-button","standard","start","static","status-bar","stretch","stroke","sub","subpixel-antialiased","super","sw-resize","symbolic","symbols","table","table-caption","table-cell","table-column","table-column-group","table-footer-group","table-header-group","table-row","table-row-group","tamil","telugu","text","text-bottom","text-top","textarea","textfield","thai","thick","thin","threeddarkshadow","threedface","threedhighlight","threedlightshadow","threedshadow","tibetan","tigre","tigrinya-er","tigrinya-er-abegede","tigrinya-et","tigrinya-et-abegede","to","top","trad-chinese-formal","trad-chinese-informal","translate","translate3d","translateX","translateY","translateZ","transparent","ultra-condensed","ultra-expanded","underline","up","upper-alpha","upper-armenian","upper-greek","upper-hexadecimal","upper-latin","upper-norwegian","upper-roman","uppercase","urdu","url","var","vertical","vertical-text","visible","visibleFill","visiblePainted","visibleStroke","visual","w-resize","wait","wave","wider","window","windowframe","windowtext","words","x-large","x-small","xor","xx-large","xx-small","bicubic","optimizespeed","grayscale","row","row-reverse","wrap","wrap-reverse","column-reverse","flex-start","flex-end","space-between","space-around", "unset"];

		  var wordOperatorKeywords_ = ["in","and","or","not","is not","is a","is","isnt","defined","if unless"],
		      blockKeywords_ = ["for","if","else","unless", "from", "to"],
		      commonAtoms_ = ["null","true","false","href","title","type","not-allowed","readonly","disabled"],
		      commonDef_ = ["@font-face", "@keyframes", "@media", "@viewport", "@page", "@host", "@supports", "@block", "@css"];

		  var hintWords = tagKeywords_.concat(documentTypes_,mediaTypes_,mediaFeatures_,
		                                      propertyKeywords_,nonStandardPropertyKeywords_,
		                                      colorKeywords_,valueKeywords_,fontProperties_,
		                                      wordOperatorKeywords_,blockKeywords_,
		                                      commonAtoms_,commonDef_);

		  function wordRegexp(words) {
		    words = words.sort(function(a,b){return b > a;});
		    return new RegExp("^((" + words.join(")|(") + "))\\b");
		  }

		  function keySet(array) {
		    var keys = {};
		    for (var i = 0; i < array.length; ++i) keys[array[i]] = true;
		    return keys;
		  }

		  function escapeRegExp(text) {
		    return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
		  }

		  CodeMirror.registerHelper("hintWords", "stylus", hintWords);
		  CodeMirror.defineMIME("text/x-styl", "stylus");
		}); 
	} ());
	return stylus.exports;
}
/* Injected with object hook! */

var hasRequiredVue;

function requireVue () {
	if (hasRequiredVue) return vue.exports;
	hasRequiredVue = 1;
	(function (module, exports) {
		// CodeMirror, copyright (c) by Marijn Haverbeke and others
		// Distributed under an MIT license: https://codemirror.net/5/LICENSE

		(function (mod) {
		  {// CommonJS
		    mod(requireCodemirror(),
		        requireOverlay(),
		        requireXml(),
		        requireJavascript(),
		        requireCoffeescript(),
		        requireCss(),
		        requireSass(),
		        requireStylus(),
		        requirePug(),
		        requireHandlebars());
		  }
		})(function (CodeMirror) {
		  var tagLanguages = {
		    script: [
		      ["lang", /coffee(script)?/, "coffeescript"],
		      ["type", /^(?:text|application)\/(?:x-)?coffee(?:script)?$/, "coffeescript"],
		      ["lang", /^babel$/, "javascript"],
		      ["type", /^text\/babel$/, "javascript"],
		      ["type", /^text\/ecmascript-\d+$/, "javascript"]
		    ],
		    style: [
		      ["lang", /^stylus$/i, "stylus"],
		      ["lang", /^sass$/i, "sass"],
		      ["lang", /^less$/i, "text/x-less"],
		      ["lang", /^scss$/i, "text/x-scss"],
		      ["type", /^(text\/)?(x-)?styl(us)?$/i, "stylus"],
		      ["type", /^text\/sass/i, "sass"],
		      ["type", /^(text\/)?(x-)?scss$/i, "text/x-scss"],
		      ["type", /^(text\/)?(x-)?less$/i, "text/x-less"]
		    ],
		    template: [
		      ["lang", /^vue-template$/i, "vue"],
		      ["lang", /^pug$/i, "pug"],
		      ["lang", /^handlebars$/i, "handlebars"],
		      ["type", /^(text\/)?(x-)?pug$/i, "pug"],
		      ["type", /^text\/x-handlebars-template$/i, "handlebars"],
		      [null, null, "vue-template"]
		    ]
		  };

		  CodeMirror.defineMode("vue-template", function (config, parserConfig) {
		    var mustacheOverlay = {
		      token: function (stream) {
		        if (stream.match(/^\{\{.*?\}\}/)) return "meta mustache";
		        while (stream.next() && !stream.match("{{", false)) {}
		        return null;
		      }
		    };
		    return CodeMirror.overlayMode(CodeMirror.getMode(config, parserConfig.backdrop || "text/html"), mustacheOverlay);
		  });

		  CodeMirror.defineMode("vue", function (config) {
		    return CodeMirror.getMode(config, {name: "htmlmixed", tags: tagLanguages});
		  }, "htmlmixed", "xml", "javascript", "coffeescript", "css", "sass", "stylus", "pug", "handlebars");

		  CodeMirror.defineMIME("script/x-vue", "vue");
		  CodeMirror.defineMIME("text/x-vue", "vue");
		}); 
	} ());
	return vue.exports;
}
/* Injected with object hook! */

requireVue();
/* Injected with object hook! */

requireXml();
/* Injected with object hook! */

function useCodeMirror(container, input, options = {}) {
  const cm = CodeMirror(container.value, {
    theme: "vars",
    value: input.value,
    ...options
  });
  let skip = false;
  cm.on("change", () => {
    if (skip) {
      skip = false;
      return;
    }
    input.value = cm.getValue();
  });
  watch(
    input,
    (v) => {
      if (v !== cm.getValue()) {
        skip = true;
        const selections = cm.listSelections();
        cm.replaceRange(v, cm.posFromIndex(0), cm.posFromIndex(Number.POSITIVE_INFINITY));
        cm.setSelections(selections);
        cm.scrollTo(0, 0);
      }
    },
    { immediate: true }
  );
  return cm;
}
function syncEditorScrolls(primary, target) {
  const pInfo = primary.getScrollInfo();
  const tInfo = target.getScrollInfo();
  let x = (tInfo.width - tInfo.clientWidth) / (pInfo.width - pInfo.clientWidth) * pInfo.left;
  let y = (tInfo.height - tInfo.clientHeight) / (pInfo.height - pInfo.clientHeight) * pInfo.top;
  x = Number.isNaN(x) ? 0 : x;
  y = Number.isNaN(y) ? 0 : y;
  target.scrollTo(x, y);
}
function syncScrollListeners(cm1, cm2) {
  let activeCm = 1;
  cm1.getWrapperElement().addEventListener("mouseenter", () => {
    activeCm = 1;
  });
  cm2.getWrapperElement().addEventListener("mouseenter", () => {
    activeCm = 2;
  });
  cm1.on("scroll", (editor) => {
    if (activeCm === 1)
      syncEditorScrolls(editor, cm2);
  });
  cm1.on("scrollCursorIntoView", (editor) => syncEditorScrolls(editor, cm2));
  cm2.on("scroll", (editor) => {
    if (activeCm === 2)
      syncEditorScrolls(editor, cm1);
  });
  cm2.on("scrollCursorIntoView", (editor) => syncEditorScrolls(editor, cm1));
}

/* Injected with object hook! */

/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
const proxyMarker = Symbol("Comlink.proxy");
const createEndpoint = Symbol("Comlink.endpoint");
const releaseProxy = Symbol("Comlink.releaseProxy");
const finalizer = Symbol("Comlink.finalizer");
const throwMarker = Symbol("Comlink.thrown");
const isObject = (val) => (typeof val === "object" && val !== null) || typeof val === "function";
/**
 * Internal transfer handle to handle objects marked to proxy.
 */
const proxyTransferHandler = {
    canHandle: (val) => isObject(val) && val[proxyMarker],
    serialize(obj) {
        const { port1, port2 } = new MessageChannel();
        expose(obj, port1);
        return [port2, [port2]];
    },
    deserialize(port) {
        port.start();
        return wrap(port);
    },
};
/**
 * Internal transfer handler to handle thrown exceptions.
 */
const throwTransferHandler = {
    canHandle: (value) => isObject(value) && throwMarker in value,
    serialize({ value }) {
        let serialized;
        if (value instanceof Error) {
            serialized = {
                isError: true,
                value: {
                    message: value.message,
                    name: value.name,
                    stack: value.stack,
                },
            };
        }
        else {
            serialized = { isError: false, value };
        }
        return [serialized, []];
    },
    deserialize(serialized) {
        if (serialized.isError) {
            throw Object.assign(new Error(serialized.value.message), serialized.value);
        }
        throw serialized.value;
    },
};
/**
 * Allows customizing the serialization of certain values.
 */
const transferHandlers = new Map([
    ["proxy", proxyTransferHandler],
    ["throw", throwTransferHandler],
]);
function isAllowedOrigin(allowedOrigins, origin) {
    for (const allowedOrigin of allowedOrigins) {
        if (origin === allowedOrigin || allowedOrigin === "*") {
            return true;
        }
        if (allowedOrigin instanceof RegExp && allowedOrigin.test(origin)) {
            return true;
        }
    }
    return false;
}
function expose(obj, ep = globalThis, allowedOrigins = ["*"]) {
    ep.addEventListener("message", function callback(ev) {
        if (!ev || !ev.data) {
            return;
        }
        if (!isAllowedOrigin(allowedOrigins, ev.origin)) {
            console.warn(`Invalid origin '${ev.origin}' for comlink proxy`);
            return;
        }
        const { id, type, path } = Object.assign({ path: [] }, ev.data);
        const argumentList = (ev.data.argumentList || []).map(fromWireValue);
        let returnValue;
        try {
            const parent = path.slice(0, -1).reduce((obj, prop) => obj[prop], obj);
            const rawValue = path.reduce((obj, prop) => obj[prop], obj);
            switch (type) {
                case "GET" /* MessageType.GET */:
                    {
                        returnValue = rawValue;
                    }
                    break;
                case "SET" /* MessageType.SET */:
                    {
                        parent[path.slice(-1)[0]] = fromWireValue(ev.data.value);
                        returnValue = true;
                    }
                    break;
                case "APPLY" /* MessageType.APPLY */:
                    {
                        returnValue = rawValue.apply(parent, argumentList);
                    }
                    break;
                case "CONSTRUCT" /* MessageType.CONSTRUCT */:
                    {
                        const value = new rawValue(...argumentList);
                        returnValue = proxy(value);
                    }
                    break;
                case "ENDPOINT" /* MessageType.ENDPOINT */:
                    {
                        const { port1, port2 } = new MessageChannel();
                        expose(obj, port2);
                        returnValue = transfer(port1, [port1]);
                    }
                    break;
                case "RELEASE" /* MessageType.RELEASE */:
                    {
                        returnValue = undefined;
                    }
                    break;
                default:
                    return;
            }
        }
        catch (value) {
            returnValue = { value, [throwMarker]: 0 };
        }
        Promise.resolve(returnValue)
            .catch((value) => {
            return { value, [throwMarker]: 0 };
        })
            .then((returnValue) => {
            const [wireValue, transferables] = toWireValue(returnValue);
            ep.postMessage(Object.assign(Object.assign({}, wireValue), { id }), transferables);
            if (type === "RELEASE" /* MessageType.RELEASE */) {
                // detach and deactive after sending release response above.
                ep.removeEventListener("message", callback);
                closeEndPoint(ep);
                if (finalizer in obj && typeof obj[finalizer] === "function") {
                    obj[finalizer]();
                }
            }
        })
            .catch((error) => {
            // Send Serialization Error To Caller
            const [wireValue, transferables] = toWireValue({
                value: new TypeError("Unserializable return value"),
                [throwMarker]: 0,
            });
            ep.postMessage(Object.assign(Object.assign({}, wireValue), { id }), transferables);
        });
    });
    if (ep.start) {
        ep.start();
    }
}
function isMessagePort(endpoint) {
    return endpoint.constructor.name === "MessagePort";
}
function closeEndPoint(endpoint) {
    if (isMessagePort(endpoint))
        endpoint.close();
}
function wrap(ep, target) {
    const pendingListeners = new Map();
    ep.addEventListener("message", function handleMessage(ev) {
        const { data } = ev;
        if (!data || !data.id) {
            return;
        }
        const resolver = pendingListeners.get(data.id);
        if (!resolver) {
            return;
        }
        try {
            resolver(data);
        }
        finally {
            pendingListeners.delete(data.id);
        }
    });
    return createProxy(ep, pendingListeners, [], target);
}
function throwIfProxyReleased(isReleased) {
    if (isReleased) {
        throw new Error("Proxy has been released and is not useable");
    }
}
function releaseEndpoint(ep) {
    return requestResponseMessage(ep, new Map(), {
        type: "RELEASE" /* MessageType.RELEASE */,
    }).then(() => {
        closeEndPoint(ep);
    });
}
const proxyCounter = new WeakMap();
const proxyFinalizers = "FinalizationRegistry" in globalThis &&
    new FinalizationRegistry((ep) => {
        const newCount = (proxyCounter.get(ep) || 0) - 1;
        proxyCounter.set(ep, newCount);
        if (newCount === 0) {
            releaseEndpoint(ep);
        }
    });
function registerProxy(proxy, ep) {
    const newCount = (proxyCounter.get(ep) || 0) + 1;
    proxyCounter.set(ep, newCount);
    if (proxyFinalizers) {
        proxyFinalizers.register(proxy, ep, proxy);
    }
}
function unregisterProxy(proxy) {
    if (proxyFinalizers) {
        proxyFinalizers.unregister(proxy);
    }
}
function createProxy(ep, pendingListeners, path = [], target = function () { }) {
    let isProxyReleased = false;
    const proxy = new Proxy(target, {
        get(_target, prop) {
            throwIfProxyReleased(isProxyReleased);
            if (prop === releaseProxy) {
                return () => {
                    unregisterProxy(proxy);
                    releaseEndpoint(ep);
                    pendingListeners.clear();
                    isProxyReleased = true;
                };
            }
            if (prop === "then") {
                if (path.length === 0) {
                    return { then: () => proxy };
                }
                const r = requestResponseMessage(ep, pendingListeners, {
                    type: "GET" /* MessageType.GET */,
                    path: path.map((p) => p.toString()),
                }).then(fromWireValue);
                return r.then.bind(r);
            }
            return createProxy(ep, pendingListeners, [...path, prop]);
        },
        set(_target, prop, rawValue) {
            throwIfProxyReleased(isProxyReleased);
            // FIXME: ES6 Proxy Handler `set` methods are supposed to return a
            // boolean. To show good will, we return true asynchronously ¯\_(ツ)_/¯
            const [value, transferables] = toWireValue(rawValue);
            return requestResponseMessage(ep, pendingListeners, {
                type: "SET" /* MessageType.SET */,
                path: [...path, prop].map((p) => p.toString()),
                value,
            }, transferables).then(fromWireValue);
        },
        apply(_target, _thisArg, rawArgumentList) {
            throwIfProxyReleased(isProxyReleased);
            const last = path[path.length - 1];
            if (last === createEndpoint) {
                return requestResponseMessage(ep, pendingListeners, {
                    type: "ENDPOINT" /* MessageType.ENDPOINT */,
                }).then(fromWireValue);
            }
            // We just pretend that `bind()` didn’t happen.
            if (last === "bind") {
                return createProxy(ep, pendingListeners, path.slice(0, -1));
            }
            const [argumentList, transferables] = processArguments(rawArgumentList);
            return requestResponseMessage(ep, pendingListeners, {
                type: "APPLY" /* MessageType.APPLY */,
                path: path.map((p) => p.toString()),
                argumentList,
            }, transferables).then(fromWireValue);
        },
        construct(_target, rawArgumentList) {
            throwIfProxyReleased(isProxyReleased);
            const [argumentList, transferables] = processArguments(rawArgumentList);
            return requestResponseMessage(ep, pendingListeners, {
                type: "CONSTRUCT" /* MessageType.CONSTRUCT */,
                path: path.map((p) => p.toString()),
                argumentList,
            }, transferables).then(fromWireValue);
        },
    });
    registerProxy(proxy, ep);
    return proxy;
}
function myFlat(arr) {
    return Array.prototype.concat.apply([], arr);
}
function processArguments(argumentList) {
    const processed = argumentList.map(toWireValue);
    return [processed.map((v) => v[0]), myFlat(processed.map((v) => v[1]))];
}
const transferCache = new WeakMap();
function transfer(obj, transfers) {
    transferCache.set(obj, transfers);
    return obj;
}
function proxy(obj) {
    return Object.assign(obj, { [proxyMarker]: true });
}
function toWireValue(value) {
    for (const [name, handler] of transferHandlers) {
        if (handler.canHandle(value)) {
            const [serializedValue, transferables] = handler.serialize(value);
            return [
                {
                    type: "HANDLER" /* WireValueType.HANDLER */,
                    name,
                    value: serializedValue,
                },
                transferables,
            ];
        }
    }
    return [
        {
            type: "RAW" /* WireValueType.RAW */,
            value,
        },
        transferCache.get(value) || [],
    ];
}
function fromWireValue(value) {
    switch (value.type) {
        case "HANDLER" /* WireValueType.HANDLER */:
            return transferHandlers.get(value.name).deserialize(value.value);
        case "RAW" /* WireValueType.RAW */:
            return value.value;
    }
}
function requestResponseMessage(ep, pendingListeners, msg, transfers) {
    return new Promise((resolve) => {
        const id = generateUUID();
        pendingListeners.set(id, resolve);
        if (ep.start) {
            ep.start();
        }
        ep.postMessage(Object.assign({ id }, msg), transfers);
    });
}
function generateUUID() {
    return new Array(4)
        .fill(0)
        .map(() => Math.floor(Math.random() * Number.MAX_SAFE_INTEGER).toString(16))
        .join("-");
}


/* Injected with object hook! */

let diffWorker;
async function calculateDiffWithWorker(left, right) {
  if (!diffWorker) {
    diffWorker = wrap(
      new Worker(new URL(/* @vite-ignore */ ""+new URL('diff.worker-C2f3jC8j.js', import.meta.url).href+"", import.meta.url), {
        type: "module"
      })
    );
  }
  const result = await diffWorker.calculateDiff(left, right);
  return result;
}

/* Injected with object hook! */

const _sfc_main$3 = /* @__PURE__ */ defineComponent({
  __name: "DiffEditor",
  props: {
    from: {},
    to: {},
    oneColumn: { type: Boolean },
    diff: { type: Boolean }
  },
  setup(__props) {
    const props = __props;
    const options = useOptionsStore();
    const { from, to } = toRefs(props);
    const fromEl = useTemplateRef("fromEl");
    const toEl = useTemplateRef("toEl");
    let cm1;
    let cm2;
    onMounted(() => {
      cm1 = useCodeMirror(
        fromEl,
        from,
        {
          mode: "javascript",
          readOnly: true,
          lineNumbers: true
        }
      );
      cm2 = useCodeMirror(
        toEl,
        to,
        {
          mode: "javascript",
          readOnly: true,
          lineNumbers: true
        }
      );
      syncScrollListeners(cm1, cm2);
      watchEffect(() => {
        cm1.setOption("lineWrapping", options.view.lineWrapping);
        cm2.setOption("lineWrapping", options.view.lineWrapping);
      });
      watchEffect(async () => {
        cm1.getWrapperElement().style.display = props.oneColumn ? "none" : "";
        if (!props.oneColumn) {
          await nextTick();
          cm1.refresh();
          syncEditorScrolls(cm2, cm1);
        }
      });
      watchEffect(async () => {
        const l = from.value;
        const r = to.value;
        const diffEnabled = props.diff;
        cm1.setOption("mode", guessMode(l));
        cm2.setOption("mode", guessMode(r));
        await nextTick();
        cm1.startOperation();
        cm2.startOperation();
        cm1.getAllMarks().forEach((i) => i.clear());
        cm2.getAllMarks().forEach((i) => i.clear());
        for (let i = 0; i < cm1.lineCount() + 2; i++)
          cm1.removeLineClass(i, "background", "diff-removed");
        for (let i = 0; i < cm2.lineCount() + 2; i++)
          cm2.removeLineClass(i, "background", "diff-added");
        if (diffEnabled && from.value) {
          const changes = await calculateDiffWithWorker(l, r);
          const addedLines = /* @__PURE__ */ new Set();
          const removedLines = /* @__PURE__ */ new Set();
          let indexL = 0;
          let indexR = 0;
          changes.forEach(([type, change]) => {
            if (type === 1) {
              const start = cm2.posFromIndex(indexR);
              indexR += change.length;
              const end = cm2.posFromIndex(indexR);
              cm2.markText(start, end, { className: "diff-added-inline" });
              for (let i = start.line; i <= end.line; i++) addedLines.add(i);
            } else if (type === -1) {
              const start = cm1.posFromIndex(indexL);
              indexL += change.length;
              const end = cm1.posFromIndex(indexL);
              cm1.markText(start, end, { className: "diff-removed-inline" });
              for (let i = start.line; i <= end.line; i++) removedLines.add(i);
            } else {
              indexL += change.length;
              indexR += change.length;
            }
          });
          Array.from(removedLines).forEach(
            (i) => cm1.addLineClass(i, "background", "diff-removed")
          );
          Array.from(addedLines).forEach(
            (i) => cm2.addLineClass(i, "background", "diff-added")
          );
        }
        cm1.endOperation();
        cm2.endOperation();
      });
    });
    const leftPanelSize = computed(() => {
      return props.oneColumn ? 0 : options.view.panelSizeDiff;
    });
    function onUpdate(size) {
      cm1?.refresh();
      cm2?.refresh();
      if (props.oneColumn)
        return;
      options.view.panelSizeDiff = size;
    }
    return (_ctx, _cache) => {
      return openBlock(), createBlock(unref(M), {
        onResize: _cache[0] || (_cache[0] = ($event) => onUpdate($event[0].size))
      }, {
        default: withCtx(() => [
          withDirectives(createVNode(unref(g), {
            "min-size": "10",
            size: unref(leftPanelSize),
            border: "main r"
          }, {
            default: withCtx(() => [
              createBaseVNode("div", {
                ref_key: "fromEl",
                ref: fromEl,
                class: "h-inherit"
              }, null, 512)
            ]),
            _: 1
          }, 8, ["size"]), [
            [vShow, !_ctx.oneColumn]
          ]),
          createVNode(unref(g), {
            "min-size": "10",
            size: 100 - unref(leftPanelSize)
          }, {
            default: withCtx(() => [
              createBaseVNode("div", {
                ref_key: "toEl",
                ref: toEl,
                class: "h-inherit"
              }, null, 512)
            ]),
            _: 1
          }, 8, ["size"])
        ]),
        _: 1
      });
    };
  }
});

/* Injected with object hook! */

/* unplugin-vue-components disabled */
/* Injected with object hook! */

const _hoisted_1$2 = {
  "fw-600": "",
  "dark:fw-unset": ""
};
const _hoisted_2$2 = {
  op72: "",
  "dark:op50": ""
};
const _hoisted_3$2 = {
  key: 0,
  op72: "",
  "dark:op50": ""
};
const _sfc_main$2 = /* @__PURE__ */ defineComponent({
  __name: "FilepathItem",
  props: {
    filepath: {},
    line: {},
    column: {}
  },
  setup(__props) {
    const props = __props;
    async function openInEditor() {
      await fetch(`/__open-in-editor?file=${encodeURI(props.filepath)}:${props.line}:${props.column}`);
    }
    const display = computed(() => {
      const path = props.filepath.replace(/\\/g, "/");
      if (props.filepath.includes("/node_modules/")) {
        const match = path.match(/.*\/node_modules\/(@[^/]+\/[^/]+|[^/]+)(\/.*)?$/);
        if (match)
          return [match[1], match[2]];
      }
      return [path];
    });
    return (_ctx, _cache) => {
      return openBlock(), createElementBlock("button", {
        flex: "~",
        hover: "underline",
        onClick: openInEditor
      }, [
        createBaseVNode("span", _hoisted_1$2, toDisplayString(unref(display)[0]), 1),
        createBaseVNode("span", _hoisted_2$2, toDisplayString(unref(display)[1]), 1),
        props.line != null && props.column != null ? (openBlock(), createElementBlock("span", _hoisted_3$2, ":" + toDisplayString(props.line) + ":" + toDisplayString(props.column), 1)) : createCommentVNode("", true)
      ]);
    };
  }
});

/* Injected with object hook! */

const _hoisted_1$1 = {
  "of-auto": "",
  p4: "",
  "font-mono": "",
  flex: "~ col gap-4"
};
const _hoisted_2$1 = {
  "text-sm": "",
  "status-red": ""
};
const _hoisted_3$1 = {
  class: "text-xs",
  mt2: "",
  grid: "~ cols-[max-content_1fr] gap-x-4 gap-y-1",
  "font-mono": ""
};
const _hoisted_4$1 = {
  "text-right": "",
  op72: "",
  "dark:op50": ""
};
const _hoisted_5$1 = { "ws-nowrap": "" };
const _sfc_main$1 = /* @__PURE__ */ defineComponent({
  __name: "ErrorDisplay",
  props: {
    error: {}
  },
  setup(__props) {
    function normalizeFilename(filename) {
      return (filename || "").replace(/^async\s+/, "").replace(/^file:\/\//, "");
    }
    return (_ctx, _cache) => {
      const _component_FilepathItem = _sfc_main$2;
      return openBlock(), createElementBlock("div", _hoisted_1$1, [
        _cache[0] || (_cache[0] = createBaseVNode("div", {
          "text-xl": "",
          "status-red": "",
          flex: "~ gap-2 items-center"
        }, [
          createBaseVNode("div", { "i-carbon:warning-square": "" }),
          createTextVNode(" Error ")
        ], -1)),
        createBaseVNode("pre", _hoisted_2$1, toDisplayString(_ctx.error.message), 1),
        _cache[1] || (_cache[1] = createBaseVNode("div", {
          border: "t main",
          "h-1px": "",
          "w-full": ""
        }, null, -1)),
        createBaseVNode("div", _hoisted_3$1, [
          (openBlock(true), createElementBlock(Fragment, null, renderList(_ctx.error.stack, (item, idx) => {
            return openBlock(), createElementBlock(Fragment, { key: idx }, [
              createBaseVNode("div", _hoisted_4$1, toDisplayString(item.functionName || `(anonymous)`), 1),
              createBaseVNode("div", _hoisted_5$1, [
                createVNode(_component_FilepathItem, {
                  filepath: normalizeFilename(item.fileName),
                  line: item.lineNumber,
                  column: item.columnNumber
                }, null, 8, ["filepath", "line", "column"])
              ])
            ], 64);
          }), 128))
        ])
      ]);
    };
  }
});

/* Injected with object hook! */

const _queue = /* @__PURE__ */ new WeakMap();
function useRouteQuery(name, defaultValue, options = {}) {
  const {
    mode = "replace",
    route = useRoute(),
    router = useRouter(),
    transform
  } = options;
  let transformGet = (value) => value;
  let transformSet = (value) => value;
  if (typeof transform === "function") {
    transformGet = transform;
  } else if (transform) {
    if (transform.get)
      transformGet = transform.get;
    if (transform.set)
      transformSet = transform.set;
  }
  if (!_queue.has(router))
    _queue.set(router, /* @__PURE__ */ new Map());
  const _queriesQueue = _queue.get(router);
  let query = route.query[name];
  tryOnScopeDispose(() => {
    query = undefined;
  });
  let _trigger;
  const proxy = customRef((track, trigger) => {
    _trigger = trigger;
    return {
      get() {
        track();
        return transformGet(query !== undefined ? query : toValue(defaultValue));
      },
      set(v) {
        v = transformSet(v);
        if (query === v)
          return;
        query = v === toValue(defaultValue) ? undefined : v;
        _queriesQueue.set(name, v === toValue(defaultValue) ? undefined : v);
        trigger();
        nextTick(() => {
          if (_queriesQueue.size === 0)
            return;
          const newQueries = Object.fromEntries(_queriesQueue.entries());
          _queriesQueue.clear();
          const { params, query: query2, hash } = route;
          router[toValue(mode)]({
            params,
            query: { ...query2, ...newQueries },
            hash
          });
        });
      }
    };
  });
  watch(
    () => route.query[name],
    (v) => {
      if (query === transformGet(v))
        return;
      query = v;
      _trigger();
    },
    { flush: "sync" }
  );
  return proxy;
}

/* Injected with object hook! */

const _hoisted_1 = {
  title: "Dependencies",
  flex: "~ gap-2 items-center",
  "text-lg": "",
  "icon-btn": ""
};
const _hoisted_2 = { "line-height-1em": "" };
const _hoisted_3 = {
  "max-h-400": "",
  "max-w-200": "",
  "of-auto": ""
};
const _hoisted_4 = {
  title: "Importers",
  flex: "~ gap-2 items-center",
  "text-lg": "",
  "icon-btn": ""
};
const _hoisted_5 = { "line-height-1em": "" };
const _hoisted_6 = {
  "max-h-400": "",
  "max-w-200": "",
  "of-auto": ""
};
const _hoisted_7 = ["title", "disabled"];
const _hoisted_8 = {
  key: 0,
  "i-carbon-side-panel-open": ""
};
const _hoisted_9 = {
  key: 1,
  "i-carbon-side-panel-close": ""
};
const _hoisted_10 = {
  key: 0,
  flex: "~ col gap-2 items-center justify-center",
  "h-full": ""
};
const _hoisted_11 = {
  flex: "~ gap2 items-center",
  p2: "",
  "tracking-widest": "",
  class: "op75 dark:op50"
};
const _hoisted_12 = {
  "flex-auto": "",
  "text-center": "",
  "text-sm": "",
  uppercase: ""
};
const _hoisted_13 = ["onClick"];
const _hoisted_14 = {
  "h-full": "",
  "of-auto": ""
};
const _sfc_main = /* @__PURE__ */ defineComponent({
  __name: "module",
  async setup(__props) {
    let __temp, __restore;
    function getModuleId(fullPath) {
      if (!fullPath)
        return void 0;
      return new URL(fullPath, "http://localhost").searchParams.get("id") || void 0;
    }
    const options = useOptionsStore();
    const payload = usePayloadStore();
    const route = useRoute();
    const id = computed(() => getModuleId(route.fullPath));
    const info = ref(id.value ? ([__temp, __restore] = withAsyncContext(() => rpc.getModuleTransformInfo(payload.query, id.value)), __temp = await __temp, __restore(), __temp) : void 0);
    const mod = computed(() => payload.modules.find((m) => m.id === id.value));
    const index = useRouteQuery("index");
    const currentIndex = computed(() => (index.value != null ? +index.value : null) ?? (info.value?.transforms.length || 1) - 1);
    const deps = computed(() => {
      return mod.value?.deps.map((dep) => payload.modules.find((m) => m.id === dep)).filter(Boolean);
    });
    const importers = computed(() => {
      return mod.value?.importers.map((dep) => payload.modules.find((m) => m.id === dep)).filter(Boolean);
    });
    const transforms = computed(() => {
      const trs = info.value?.transforms;
      if (!trs)
        return void 0;
      let load = false;
      return trs.map((tr, index2) => ({
        ...tr,
        noChange: !!tr.result && index2 > 0 && tr.result === trs[index2 - 1]?.result,
        load: tr.result && (load ? false : load = true),
        index: index2
      }));
    });
    const filteredTransforms = computed(
      () => transforms.value?.filter((tr) => options.view.showBailout || tr.result)
    );
    async function refetch(clear = false) {
      if (id.value)
        info.value = await rpc.getModuleTransformInfo(payload.query, id.value, clear);
    }
    onModuleUpdated.on(async () => {
      await refetch(false);
    });
    watch(
      () => [id.value, payload.query],
      () => refetch(false),
      { deep: true }
    );
    const lastTransform = computed(
      () => transforms.value?.slice(0, currentIndex.value).reverse().find((tr) => tr.result)
    );
    const currentTransform = computed(() => transforms.value?.find((tr) => tr.index === currentIndex.value));
    const from = computed(() => lastTransform.value?.result || "");
    const to = computed(() => currentTransform.value?.result || from.value);
    const sourcemaps = computed(() => {
      let sourcemaps2 = currentTransform.value?.sourcemaps;
      if (!sourcemaps2)
        return void 0;
      if (typeof sourcemaps2 === "string")
        sourcemaps2 = safeJsonParse(sourcemaps2);
      if (!sourcemaps2?.mappings)
        return;
      if (sourcemaps2 && !sourcemaps2.sourcesContent?.filter(Boolean)?.length)
        sourcemaps2.sourcesContent = [from.value];
      if (sourcemaps2 && !sourcemaps2.sources?.filter(Boolean)?.length)
        sourcemaps2.sources = ["index.js"];
      return JSON.stringify(sourcemaps2);
    });
    getHot().then((hot) => {
      if (hot) {
        hot.on("vite-plugin-inspect:update", ({ ids }) => {
          if (id.value && ids.includes(id.value))
            refetch();
        });
      }
    });
    return (_ctx, _cache) => {
      const _component_RouterLink = resolveComponent("RouterLink");
      const _component_ModuleId = _sfc_main$6;
      const _component_QuerySelector = _sfc_main$7;
      const _component_ModuleList = _sfc_main$8;
      const _component_NavBar = _sfc_main$4;
      const _component_Badge = _sfc_main$5;
      const _component_PluginName = _sfc_main$9;
      const _component_DurationDisplay = _sfc_main$a;
      const _component_ErrorDisplay = _sfc_main$1;
      const _component_DiffEditor = _sfc_main$3;
      const _component_Container = __unplugin_components_3;
      return openBlock(), createElementBlock(Fragment, null, [
        createVNode(_component_NavBar, null, {
          default: withCtx(() => [
            createVNode(_component_RouterLink, {
              "my-auto": "",
              "outline-none": "",
              "icon-btn": "",
              to: "/"
            }, {
              default: withCtx(() => _cache[8] || (_cache[8] = [
                createBaseVNode("div", { "i-carbon-arrow-left": "" }, null, -1)
              ])),
              _: 1
            }),
            unref(id) ? (openBlock(), createBlock(_component_ModuleId, {
              key: 0,
              id: unref(id)
            }, null, 8, ["id"])) : createCommentVNode("", true),
            _cache[13] || (_cache[13] = createBaseVNode("div", { "flex-auto": "" }, null, -1)),
            createVNode(_component_QuerySelector),
            unref(deps)?.length || unref(importers)?.length ? (openBlock(), createElementBlock(Fragment, { key: 1 }, [
              _cache[11] || (_cache[11] = createBaseVNode("div", {
                mx1: "",
                "h-full": "",
                "w-0": "",
                border: "r main"
              }, null, -1)),
              unref(deps)?.length ? (openBlock(), createBlock(unref(kt), { key: 0 }, {
                popper: withCtx(() => [
                  createBaseVNode("div", _hoisted_3, [
                    createVNode(_component_ModuleList, { modules: unref(deps) }, null, 8, ["modules"])
                  ])
                ]),
                default: withCtx(() => [
                  createBaseVNode("button", _hoisted_1, [
                    _cache[9] || (_cache[9] = createBaseVNode("span", { "i-carbon-downstream": "" }, null, -1)),
                    createBaseVNode("span", _hoisted_2, toDisplayString(unref(deps).length), 1)
                  ])
                ]),
                _: 1
              })) : createCommentVNode("", true),
              unref(importers)?.length ? (openBlock(), createBlock(unref(kt), { key: 1 }, {
                popper: withCtx(() => [
                  createBaseVNode("div", _hoisted_6, [
                    createVNode(_component_ModuleList, { modules: unref(importers) }, null, 8, ["modules"])
                  ])
                ]),
                default: withCtx(() => [
                  createBaseVNode("button", _hoisted_4, [
                    _cache[10] || (_cache[10] = createBaseVNode("span", { "i-carbon-upstream": "" }, null, -1)),
                    createBaseVNode("span", _hoisted_5, toDisplayString(unref(importers).length), 1)
                  ])
                ]),
                _: 1
              })) : createCommentVNode("", true)
            ], 64)) : createCommentVNode("", true),
            _cache[14] || (_cache[14] = createBaseVNode("div", {
              mx1: "",
              "h-full": "",
              "w-0": "",
              border: "r main"
            }, null, -1)),
            createBaseVNode("button", {
              "text-lg": "",
              "icon-btn": "",
              title: unref(sourcemaps) ? "Inspect sourcemaps" : "Sourcemap is not available",
              disabled: !unref(sourcemaps),
              onClick: _cache[0] || (_cache[0] = ($event) => unref(inspectSourcemaps)({ code: unref(to), sourcemaps: unref(sourcemaps) }))
            }, [
              createBaseVNode("span", {
                "i-carbon-choropleth-map": "",
                block: "",
                class: normalizeClass(unref(sourcemaps) ? "opacity-100" : "opacity-25")
              }, null, 2)
            ], 8, _hoisted_7),
            createBaseVNode("button", {
              "text-lg": "",
              "icon-btn": "",
              title: "Line Wrapping",
              onClick: _cache[1] || (_cache[1] = ($event) => unref(options).view.lineWrapping = !unref(options).view.lineWrapping)
            }, [
              createBaseVNode("span", {
                "i-carbon-text-wrap": "",
                class: normalizeClass(unref(options).view.lineWrapping ? "opacity-100" : "opacity-25")
              }, null, 2)
            ]),
            createBaseVNode("button", {
              "text-lg": "",
              "icon-btn": "",
              title: "Toggle one column",
              onClick: _cache[2] || (_cache[2] = ($event) => unref(options).view.showOneColumn = !unref(options).view.showOneColumn)
            }, [
              unref(options).view.showOneColumn ? (openBlock(), createElementBlock("span", _hoisted_8)) : (openBlock(), createElementBlock("span", _hoisted_9))
            ]),
            createBaseVNode("button", {
              class: "text-lg icon-btn",
              title: "Toggle Diff",
              onClick: _cache[3] || (_cache[3] = ($event) => unref(options).view.diff = !unref(options).view.diff)
            }, [
              createBaseVNode("span", {
                "i-carbon-compare": "",
                class: normalizeClass(unref(options).view.diff ? "opacity-100" : "opacity-25")
              }, null, 2)
            ]),
            !unref(payload).isStatic ? (openBlock(), createElementBlock("button", {
              key: 2,
              class: "text-lg icon-btn",
              title: "Refetch",
              onClick: _cache[4] || (_cache[4] = ($event) => refetch(true))
            }, _cache[12] || (_cache[12] = [
              createBaseVNode("span", { "i-carbon-renew": "" }, null, -1)
            ]))) : createCommentVNode("", true)
          ]),
          _: 1
        }),
        !unref(info)?.transforms.length ? (openBlock(), createElementBlock("div", _hoisted_10, [
          createBaseVNode("div", null, [
            _cache[15] || (_cache[15] = createTextVNode("No transform data for this module in the ")),
            createVNode(_component_Badge, {
              text: unref(payload).query.env,
              size: "none",
              px1: "",
              "py0.5": "",
              "line-height-1em": ""
            }, null, 8, ["text"]),
            _cache[16] || (_cache[16] = createTextVNode(" env"))
          ]),
          !unref(isStaticMode) ? (openBlock(), createElementBlock("button", {
            key: 0,
            rounded: "",
            "bg-teal5": "",
            px2: "",
            py1: "",
            "text-white": "",
            onClick: _cache[5] || (_cache[5] = ($event) => refetch(true))
          }, " Request the module ")) : createCommentVNode("", true)
        ])) : unref(info) && unref(filteredTransforms) ? (openBlock(), createBlock(_component_Container, {
          key: 1,
          flex: "",
          "overflow-hidden": ""
        }, {
          default: withCtx(() => [
            createVNode(unref(M), {
              "h-full": "",
              "of-hidden": "",
              onResize: _cache[7] || (_cache[7] = ($event) => unref(options).view.panelSizeModule = $event[0].size)
            }, {
              default: withCtx(() => [
                createVNode(unref(g), {
                  size: unref(options).view.panelSizeModule,
                  "min-size": "10",
                  flex: "~ col",
                  border: "r main",
                  "overflow-y-auto": ""
                }, {
                  default: withCtx(() => [
                    createBaseVNode("div", _hoisted_11, [
                      createBaseVNode("span", _hoisted_12, toDisplayString(unref(payload).query.env) + " TRANSFORM STACK", 1),
                      createBaseVNode("button", {
                        class: "icon-btn",
                        title: "Toggle bailout plugins",
                        onClick: _cache[6] || (_cache[6] = ($event) => unref(options).view.showBailout = !unref(options).view.showBailout)
                      }, [
                        createBaseVNode("div", {
                          class: normalizeClass(unref(options).view.showBailout ? "opacity-100 i-carbon-view" : "opacity-75 i-carbon-view-off")
                        }, null, 2)
                      ])
                    ]),
                    _cache[18] || (_cache[18] = createBaseVNode("div", { border: "b main" }, null, -1)),
                    (openBlock(true), createElementBlock(Fragment, null, renderList(unref(filteredTransforms), (tr) => {
                      return openBlock(), createElementBlock("button", {
                        key: tr.index,
                        border: "b main",
                        flex: "~ gap-1 wrap",
                        "items-center": "",
                        "px-2": "",
                        "py-2": "",
                        "text-left": "",
                        "text-xs": "",
                        "font-mono": "",
                        class: normalizeClass(
                          unref(currentIndex) === tr.index ? "bg-active" : tr.noChange || !tr.result ? "op75 saturate-50" : ""
                        ),
                        onClick: ($event) => index.value = tr.index.toString()
                      }, [
                        createBaseVNode("span", {
                          class: normalizeClass(unref(currentIndex) !== tr.index && (tr.noChange || !tr.result) ? "" : "fw-600")
                        }, [
                          createVNode(_component_PluginName, {
                            name: tr.name
                          }, null, 8, ["name"])
                        ], 2),
                        !tr.result ? (openBlock(), createBlock(_component_Badge, {
                          key: 0,
                          text: "bailout",
                          "saturate-0": ""
                        })) : tr.noChange ? (openBlock(), createBlock(_component_Badge, {
                          key: 1,
                          text: "no change",
                          color: 20
                        })) : createCommentVNode("", true),
                        tr.load ? (openBlock(), createBlock(_component_Badge, {
                          key: 2,
                          text: "load"
                        })) : createCommentVNode("", true),
                        tr.order && tr.order !== "normal" ? (openBlock(), createBlock(_component_Badge, {
                          key: 3,
                          title: tr.order.includes("-") ? `Using object hooks ${tr.order}` : tr.order,
                          text: tr.order
                        }, null, 8, ["title", "text"])) : createCommentVNode("", true),
                        tr.error ? (openBlock(), createBlock(_component_Badge, {
                          key: 4,
                          text: "error"
                        }, {
                          default: withCtx(() => [
                            _cache[17] || (_cache[17] = createBaseVNode("span", { "flex-auto": "" }, null, -1)),
                            createVNode(_component_DurationDisplay, {
                              duration: tr.end - tr.start
                            }, null, 8, ["duration"])
                          ]),
                          _: 2
                        }, 1024)) : createCommentVNode("", true)
                      ], 10, _hoisted_13);
                    }), 128))
                  ]),
                  _: 1
                }, 8, ["size"]),
                createVNode(unref(g), { "min-size": "5" }, {
                  default: withCtx(() => [
                    createBaseVNode("div", _hoisted_14, [
                      unref(currentTransform)?.error ? (openBlock(), createBlock(_component_ErrorDisplay, {
                        key: `error-${unref(id)}`,
                        error: unref(currentTransform).error
                      }, null, 8, ["error"])) : (openBlock(), createBlock(_component_DiffEditor, {
                        key: unref(id),
                        "one-column": unref(options).view.showOneColumn || !!unref(currentTransform)?.error,
                        diff: unref(options).view.diff && !unref(currentTransform)?.error,
                        from: unref(from),
                        to: unref(to)
                      }, null, 8, ["one-column", "diff", "from", "to"]))
                    ])
                  ]),
                  _: 1
                })
              ]),
              _: 1
            })
          ]),
          _: 1
        })) : createCommentVNode("", true)
      ], 64);
    };
  }
});

/* Injected with object hook! */

/* Injected with object hook! */

export { _sfc_main as default };
